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iptables and comments [SOLVED]
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cwr
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Joined: 17 Dec 2005
Posts: 1968

PostPosted: Mon May 29, 2017 8:42 pm    Post subject: iptables and comments [SOLVED] Reply with quote

I've been trying to use the iptables '-m comment --comment "This is a comment"'
setup to annotate some iptables rules, but although loading rules with such comments
doesn't give an error, the rules fail (and the comments don't seem to persist).

Comments seem to be part of the standard iptables setup, not xtables-addons,
but I can't find a comment module anywhere in the kernel config file. Does anyone
know the module's name, or how comments can be installed?

Thanks - Will


Last edited by cwr on Tue May 30, 2017 8:48 am; edited 1 time in total
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Ant P.
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Joined: 18 Apr 2009
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PostPosted: Mon May 29, 2017 9:33 pm    Post subject: Reply with quote

It's in the kernel:
Code:
CONFIG_NETFILTER_XT_MATCH_COMMENT:
Type  : tristate
Prompt: "comment" match support
  Location:
    -> Networking support (NET [=y])
      -> Networking options
        -> Network packet filtering framework (Netfilter) (NETFILTER [=y])
          -> Core Netfilter Configuration
            -> Netfilter Xtables support (required for ip_tables) (NETFILTER_XTABLES [=m])
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cwr
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PostPosted: Tue May 30, 2017 8:47 am    Post subject: Reply with quote

Thanks - although iptables work, it looks as if that netfilter section is switched off,
so the option doesn't appear. I'll take a look at it.

Will
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