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annotate ChangeLog @ 157:dcfa43a59ec8

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add auto whitelisting
author carl
date Sun, 08 Jul 2007 09:55:44 -0700
parents c7fc218686f5
children b3ed72ee6564
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
carl
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diff changeset
1 $Id$
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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2
152
c7fc218686f5 gpl3, block mail to recipients that cannot reply
carl
parents: 151
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3 6.01 2007-07-07
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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4 GPL3. Block mail to recipients that cannot reply. Start auto
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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5 whitelisting.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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6
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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7 5.30 2007-06-09
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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8 Selinux fix - redirect stdout for useradd to make selinux happy.
c7fc218686f5 gpl3, block mail to recipients that cannot reply
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9
151
0e8ec3c483ce limit dns resolver timeouts and retry interval
carl
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10 5.29 2007-03-27
150
a23ef169d322 limit dns resolver timeouts and retry interval
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11 Limit dns resolver to two retries five seconds apart.
a23ef169d322 limit dns resolver timeouts and retry interval
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12
149
9581f6e62574 switch to second context wins in all cases
carl
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13 5.28 2007-02-19
9581f6e62574 switch to second context wins in all cases
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14 Change the conflict resolution algorithm to "second one wins" if we
9581f6e62574 switch to second context wins in all cases
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15 have two contexts that both define env_to user@. Update ICANN tld
9581f6e62574 switch to second context wins in all cases
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16 list.
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17
148
9330b8d6a56b add documentation fixes, allow env_from target of inherit
carl
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18 5.27 2007-01-30
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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19 Allow 'inherit' as an env_from target. Documentation cleanup
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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20 from G.W. Haywood.
9330b8d6a56b add documentation fixes, allow env_from target of inherit
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21
147
812c80305f26 fix 5.23 bug and add fsa debug logging
carl
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22 5.26 2006-12-04
812c80305f26 fix 5.23 bug and add fsa debug logging
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23 Fix bug in content filtering introduced in 5.23 that prevented
812c80305f26 fix 5.23 bug and add fsa debug logging
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24 seeing any host names in the body.
812c80305f26 fix 5.23 bug and add fsa debug logging
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25
145
9b9bab1d3c21 dump effective dnsbl_list with -c switch
carl
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26 5.25 2006-10-15
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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27 DNSBL lists are inherited, so dump the effective list with the
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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28 -c switch.
9b9bab1d3c21 dump effective dnsbl_list with -c switch
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29
144
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
carl
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30 5.24 2006-10-15
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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31 Allow child and parent context to specify the same fully qualified
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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32 env_to address. Only dump the rate limit for the default context
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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33 with -c switch.
31ff00ea6bfb allow parent/child to share a fully qualified env_to address
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34
143
ecb40aa3eaa5 require two periods for ip addresses
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35 5.23 2006-10-10
ecb40aa3eaa5 require two periods for ip addresses
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36 Require two periods in ip addresses.
ecb40aa3eaa5 require two periods for ip addresses
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37
140
4028de9b46dd cleanup smtp rate limit code
carl
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38 5.22 2006-09-27
4028de9b46dd cleanup smtp rate limit code
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39 Change syntax for default rate limit. Improve hourly reset of
4028de9b46dd cleanup smtp rate limit code
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40 limits. Warning for rate limits in non default contexts to allow
4028de9b46dd cleanup smtp rate limit code
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41 nesting of client configurations.
4028de9b46dd cleanup smtp rate limit code
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42
136
f4746d8a12a3 add smtp auth rate limits
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43 5.21 2006-09-26
f4746d8a12a3 add smtp auth rate limits
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44 Add SMTP AUTH recipient rate limits, to help throttle infected
f4746d8a12a3 add smtp auth rate limits
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45 client machines and accounts with weak cracked passwords.
f4746d8a12a3 add smtp auth rate limits
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46
134
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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47 5.20 2006-08-02
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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48 Fully qualify all dns lookups. Fix my_read() bug. Try to convert
f9917ce924a3 all dns lookups fully qualified, my_read() bug fix
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49 names that might be ip addresses via inet_aton before doing dns
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50 lookups.
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51
131
df355d117199 uribl lookups fully qualified; allow two component host names
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52 5.19 2006-08-01
df355d117199 uribl lookups fully qualified; allow two component host names
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53 Bug fix - add trailing dot to uribl dns lookups to make them fully
df355d117199 uribl lookups fully qualified; allow two component host names
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54 qualified. Check host names with only two components, since
df355d117199 uribl lookups fully qualified; allow two component host names
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55 spammers are now using bare http://domain.tld references.
133
b8ce1b31237d uribl lookups fully qualified; allow two component host names
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56 Spec file now creates an rpm that properly creates the dnsbl user.
131
df355d117199 uribl lookups fully qualified; allow two component host names
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57
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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58 5.18 2006-04-27
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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59 Bug fix - newer sendmail versions don't guarantee envelope addresses
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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60 enclosed in <> wrapper.
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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61
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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62 Document backscatter prevention configuration for systems that are
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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63 used to mainly spam filter and then forward to mail to the internal
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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64 server.
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65
128
9ab51896447f don't do uribl lookups on rfc1918 address space
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66 Never ask uribl blacklists about rfc1918 address space.
9ab51896447f don't do uribl lookups on rfc1918 address space
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67
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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68 5.17 2006-03-25
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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69 Never ask dns blacklists about rfc1918 address space.
126
05ae49d37896 don't do dnsbl lookups on rfc1918 address space
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70
125
8b1562482b29 put hostname in smtp message for uribl style lookups
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71 5.16 2006-03-16
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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72 Bug fix - the smtp error message for uribl filtering needs to
125
8b1562482b29 put hostname in smtp message for uribl style lookups
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73 reference the host name, not the ip address.
8b1562482b29 put hostname in smtp message for uribl style lookups
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74
123
ecd97e7eb1f0 properly return error code with reject reason
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75 5.15 2006-03-15
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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76 Bug fix - we failed to properly set the return code to indicate the
123
ecd97e7eb1f0 properly return error code with reject reason
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77 reason when rejecting mail for content filtering.
ecd97e7eb1f0 properly return error code with reject reason
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78
122
e8971c595845 fix typo in multi.surbl.org name
carl
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79 5.14 2006-03-13
127
2b1a4701e856 sendmail no longer guarantees <> wrapper on envelopes
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80 Fix a typo in the default config file and documentation for using
122
e8971c595845 fix typo in multi.surbl.org name
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81 multi.surbl.org
e8971c595845 fix typo in multi.surbl.org name
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82
117
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
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83 5.13 2006-03-12
aa07452e641b uribl patch from Jeff Evans <jeffe@tricab.com>
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84 patch from Jeff Evans <jeffe@tricab.com>
121
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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85 add SURBL/URIBL lookups, remove trailing dots from hostnames,
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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86 allow ip address literals as hostnames.
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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87 add configuration for surbl/uribl list and reject message
e2506138561b uribl patch from Jeff Evans <jeffe@tricab.com>
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88
115
07e5d4721213 use larger resolver buffer
carl
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89 5.12 2006-01-08
07e5d4721213 use larger resolver buffer
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90 Use larger resolver buffer to accomodate spammers with many name
07e5d4721213 use larger resolver buffer
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91 servers. A current example is life-all.com which needs to retry in
07e5d4721213 use larger resolver buffer
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92 tcp mode to fetch the 1444 byte response.
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93
116
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
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94 'make chkconfig' now creates the dnsbl user if it does not exist.
0094678a16d0 update all systems from tarball, make chkconfig creates dnsbl user if needed
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95
113
a893afee4b80 move to autoconf/automake/docbook
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96 5.11 2005-12-20
a893afee4b80 move to autoconf/automake/docbook
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97 switch to autoconf/automake/docbook
a893afee4b80 move to autoconf/automake/docbook
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98
102
d9c64bafbf60 fix compile error on fc3
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99 5.10 2005-10-16
d9c64bafbf60 fix compile error on fc3
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100 Fix a compile error on Fedora Core 3.
d9c64bafbf60 fix compile error on fc3
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101 Discovered by Nigel Horne <njh@bandsman.co.uk>
d9c64bafbf60 fix compile error on fc3
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102
101
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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103 5.9 2005-09-26
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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104 Fix a bug with empty return paths passed to the verification code.
6ac7ba4a8312 fix <> passed as <<>> to verification hosts
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105 That resulted in 'MAIL FROM:<<>>' being sent to the verification
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106 mail server.
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107
100
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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108 5.8 2005-09-25
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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109 Allow empty env_to at global context level to remove restrictions
63e8633abc34 allow empty env_to at global context to remove all restrictions on child contexts
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110 on env_to values in child contexts.
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111
99
f8963ddf7143 failed to return a value from parse_verify()
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112 5.7 2005-09-23
f8963ddf7143 failed to return a value from parse_verify()
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113 Failed to return a value from parse_verify() which caused failures
f8963ddf7143 failed to return a value from parse_verify()
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114 to load the configuration.
f8963ddf7143 failed to return a value from parse_verify()
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115
98
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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116 5.6 2005-09-22
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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117 Tokenizer errors now go thru the syslog code, so they are visible
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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118 when generated during config file reloads during normal operation.
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119
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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120 5.5 2005-09-21
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121 Cleanup debug logging. Verify from/to pairs now remembers the last
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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122 from value sent to the remote server to prevent unnecessary rset
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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123 commands.
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124
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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125 5.4 2005-09-18
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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126 Add verify statement to specify the smtp host to be used to verify
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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127 envelope from / recipient pairs.
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128
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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129 Authenticated clients are now exempt from all white/black listing
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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130 in addition to the dnsbl lookups.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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131
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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132 dcc_to should not look at substitute mail_host. That is only used
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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133 by dcc_from.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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134
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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135 5.3 2005-08-07
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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136 Properly quit if the config file has syntax errors on startup. Send
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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137 mail to root if the config file needs to be reloaded since it was
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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138 modified, but contains syntax errors. In this case, we continue to
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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139 use the old configuration.
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140
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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141 5.2 2005-08-02
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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142 Patch from Stephen Johnson <stephen.johnson@arkansas.gov> fixing the
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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143 lack of a default return value in CONTEXT::acceptable_content().
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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144
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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145 5.1 2005-07-20
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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146 Add multiple syslog debug levels. Detect and silently remove
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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147 duplicate DNSBL definitions. That allows us to accept mail to
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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148 recipients in multiple domains that use the same blacklist and yet
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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149 only check that blacklist once. This may happen when your config
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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150 file directly includes as child contexts the config files used on
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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151 your clients mail servers.
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152
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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153 5.0 2005-07-16
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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154 Major changes to the syntax of the config file. Content filtering
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155 is no longer a global mail server setting.
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156
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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157 4.6 2005-04-02
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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158 Fix enum compilation error on Fedora Core 3.
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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159 Discovered by Nigel Horne <njh@bandsman.co.uk>
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160
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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161 Remove bad html tag command from the default conf file. Spammers
91c27c00048f tokenizer errors now go thru syslog to be visible during config file reloads in normal operation
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162 seem to have abandoned this.
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163
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164 Add toolbar.msn.click-url.com in hosts-ignore.conf. These are all
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165 commented, but you might want to uncomment them.
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166
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167 4.5 2005-01-22
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168 Add uuencode decoding for old style attachments.
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169
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170 4.4 2005-01-18
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171 Bug fix in forked process termination that left zombies.
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172
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173 4.3 2005-01-16
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174 Only keep 20% of the resolver sockets in the ready pool.
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175
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176 4.2 2005-01-08
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177 Use the separate resolver processes even if we don't have the
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178 resolver interfaces and need gethostbyname.
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179
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180 4.1 2005-01-06
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181 Use a local unix domain socket for the resolver process
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182 communication, rather than a tcp/ip socket.
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183
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184 4.0 2005-01-03
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185 Initialize the thread mutex objects early, before they are needed
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186 by possible calls to my_syslog.
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187
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188 Fork off a separate resolver listener process, so we can do multiple
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189 dns operations in parallel. For each simultaneous inbound email,
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190 we have a separate sendmail process, a milter thread, and a dns
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191 resolver process.
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192
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193 3.7 2004-10-28
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194 Added an 'ignore' command to the conf file, used to ignore some
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195 hosts that might end up on the SBL and otherwise trip the content
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196 scanning filter. In particular, many recent Microsoft Word
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197 documents contain the string www.5iantlavalamp.com which is
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198 associated with their smart tags stuff. That is currently hosted at
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199 216.168.224.70, which is shared with a site that ended up on the
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200 SBL.
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201
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202 3.6 2004-09-08
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203 Contributions from Dan Harkless <software@harkless.org>
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204 Better documentation for disabling the content filtering.
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205 Don't bother looking at the body text if we are not doing
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206 content filtering.
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207
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208 3.5 2004-07-17
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209 Extend the error message for content filtering when the NS record
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210 points to an ip address on the SBL. Include the original host name
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211 that referenced that NS name.
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212
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213
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214 3.4 2004-07-15
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215 Tokens with two consecutive periods cannot be ip addresses or host
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216 names.
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217
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218 Updated dnsbl.spec file for building rpms from John Gunkel.
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219
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220
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221 3.3 2004-07-09
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222 Drop root priviledges properly, including the group id.
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223
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224
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225 3.2 2004-07-09
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226
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227 Contributions from John Gunkel <jgunkel@palliser.ca>:
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228 Add .spec file for building rpms, contributed by John Gunkel
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229
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230 Changes to file layout to conform to RedHat/LSB standards.
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231
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232 Add some html (actually xml) tags used by Apple mac print
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233 subsystem that were tripping the html tag detector.
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234
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235 Help with changes required to allow dnsbl to drop root
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236 priviledges. Move the socket to /var/run/dnsbl/dnsbl.sock
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237
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238 Change parser to handle &#xnnn; obfuscated urls with charaters
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239 specified in hex.
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240
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241 Make bad_html tags more sensitive to binary tags, to reduce false
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242 positives in .zip or .tar.gz file attachments.
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243
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244 Add sendmail queueid to the dnsbl syslog messages.
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245
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246 Fix one place where host names were not forced to lower case.
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247 Discovered by Nigel Horne <njh@bandsman.co.uk>
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248
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249 Remove duplicate dns queries within the same smtp transaction from
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250 the body content filtering. This helps if the mail server does not
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251 have a nearby caching dns server.
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252
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253 Add host_soft_limit config keyword. Use only one of host_limit or
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254 host_soft_limit, since the last one wins. The host_limit is a hard
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255 upper limit on the number of host names in a message. The
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256 host_soft_limit allows unlimited host names, but only checks a
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257 random sample of them against the dnsbl.
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258
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259 The main thread has dropped root priviledges, but other threads
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260 are still running as root. This needs to be fixed.