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comparison mod_firewall/scripts/spam-blocking.pfw @ 2556:cc01a5bfcf3b

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mod_firewall: spam-blocking.pfw, initial anti-spam ruleset
author Matthew Wild <mwild1@gmail.com>
date Thu, 23 Feb 2017 14:14:38 +0000
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children 56db2ab3b853
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2555:a9eb4d5566f3 2556:cc01a5bfcf3b
1 #### Anti-spam ruleset
2
3 #### General rules for all incoming stanzas ####
4 ::deliver
5
6 # Pass stanzas that a user sends to their own account
7 TO SELF?
8 PASS.
9
10 # Pass stanzas that are addressed to a valid full JID
11 TO FULL JID?
12 PASS.
13
14 # Pass stanzas from contacts
15 SUBSCRIBED?
16 PASS.
17
18 # Run extra rules that apply to messages only
19 KIND: message
20 JUMP_CHAIN=user/check_spam_message
21
22 # Run extra rules that apply to presence stanzas only
23 KIND: presence
24 JUMP CHAIN=user/check_spam_presence
25
26 #### Rules for messages ####
27 ::user/check_spam_message
28
29 # Non-chat message types often generate pop-ups in clients,
30 # so we won't accept them from strangers
31 NOT TYPE: chat
32 JUMP CHAIN=user/reject_spam
33
34 # This chain can be used by other scripts
35 # and modules that analyze message content
36 JUMP CHAIN=user/check_spam_message_content
37
38 #### Rules for presence stanzas ####
39 ::user/check_spam_presence
40
41 # We don't want to receive presence from random strangers,
42 # but still allow subscription requests
43 NOT TYPE: subscribe
44 DROP.
45
46 # This chain can be used by other scripts
47 # and modules to filter subscription requests
48 JUMP CHAIN=user/check_subscription_request
49
50 #### Stanzas reaching this chain will be rejected ####
51 ::user/reject_spam
52
53 LOG=Rejecting suspected spam: $(stanza:top_tag())
54 BOUNCE=policy-violation