Re: really need your help about iptables

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



Use a higher limit for SYN packets to those services. IIRC your
ruleset from before.

/Oskar


2009/8/25 J. Bakshi <joydeep@xxxxxxxxxxxxxxx>:
> Dear list,
>
> I really really need your help to configure iptables to cope with
> "connection time out problem"  Here what actually the situation is.
>
> I have configured iptables to drop nmap and other port scanning
> techniques ( collected from internet, like XMAS scan, FIN scan etc...).
> If I run nmap against the server ( like nmap -P0 <myserver> or nmap -P0
> -sT <myserver> ) then the firewall successfully dropping the scan
> packets and  make the nmap scan  to wait for *looooong* .  Good.  But on
> the other hand  the  http and mail server running on the  server
> providing "time out error" hence it is not possible to connect the mail
> /apache and other services running on that  server during port scanning
> against it. Could any one kindly suggest how to cope with this situiation ?
>
> Thanks for your time.
> --
> To unsubscribe from this list: send the line "unsubscribe netfilter" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>
--
To unsubscribe from this list: send the line "unsubscribe netfilter" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Linux Netfilter Development]     [Linux Kernel Networking Development]     [Netem]     [Berkeley Packet Filter]     [Linux Kernel Development]     [Advanced Routing & Traffice Control]     [Bugtraq]

  Powered by Linux