[Firehol-support] Disabling logging of certain packets and client restrictions

Rick Marshall rjm at zenucom.com
Fri Apr 22 23:58:16 BST 2005

that would be good because we get a lot of ms chatter from pc's on the c 
lass public network that our adsl connects to.


Marcus Williams wrote:

>Hi -
>I've had firehol running on a server for some time and its working great
>but there are two things I'd like to do:
>1) restrict outgoing connections (but still be able to send mail/dns etc)
>2) disable logging of the ms backscatter I get on the subnet my machine
>is one (so ignore packets to 135/445 etc rather than logging the blocked
>I know how to do (1) in that presumably instead of having "client all"
>I'll just have a set of client lines that allow the machine to do smtp
>(its an mx for a number of domains and needs to be able to send mail)
>and dns (needs dns to send mail). So all I should be doing is replacing
>the client line for "client smtp dns". I also want to be able to update
>my machine (it runs debian) so I need to add client lines that allow
>web/ftp to the uk mirror but the uk mirror for debian is a round robin
>to a number of IP's so how do I do that without adding each IP?
>For (2), I already block this traffic in that I dont accept it
>explicitly but what I'd really like to do is not log any of this traffic
>(specifically the MS/samba ports) because it blows my logs up to stupid
>sizes. How do I do that? Can I add an explicit drop for say samba with a
>nolog option (does that exist?)

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