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Bueller
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Joined: 21 Sep 2004
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PostPosted: Tue Sep 21, 2004 5:27 am    Post subject: Network really slow behind firewall Reply with quote

I had no problems with the stage 1 install from the 2004.2 livecd, but after the reboot all internet access is slow, wget averages around 20B/s. Access to other machines on my LAN is fast, and if I bypass my firewall I can access websites just fine.

Kernel is 2.6.8-gentoo-r3 with the 3com 3c59x driver built-in. Static IP address, DNS resolves fine, and get quick ping results. Firewall is OpenBSD running PF, it allows all traffic outbound, no other machines on my network have any problems with it.

Thanks for any help.
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groovin
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Joined: 07 Feb 2004
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Location: California, USA

PostPosted: Tue Sep 21, 2004 6:18 am    Post subject: Reply with quote

is there iptables or anythign running on your gentoo box?

i used to use openbsd firewalls (ipfw) and i noticed that certain types of packets and packet fragment rules had different effects on different client types. when you say bypass, do u mean plug your gentoo box directly into the cable/dsl/LAN router? or are you just doing an allow all on the fw? if your doing the sooner, try the latter, and then try dynamically adding all your lines back to see if any of those are effecting the connection.

ok im tired, i hope this made sense =)

time for my system to crash!
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Bueller
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PostPosted: Tue Sep 21, 2004 8:11 am    Post subject: Reply with quote

Thanks, figured it out, line by line did the trick.

My outbound allow all rule had 'keep state' at the end of it. Looks like gentoo didn't like that, removed it and its happy now. Strange that the livecd, or any other of my computers didn't have a problem with it. Possibly the kernel? *shrug*
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curd
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Joined: 28 Jan 2003
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PostPosted: Thu Oct 07, 2004 10:22 am    Post subject: Reply with quote

I had the same problem, and removing the keep state fixed it.
But I have a feeling this shouldn't be though, as the livecd worked fine indeed. Besides any other os behind my firewall doesn't have this problem.

Anyone who can shine any light on this subject?
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tomaw
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Joined: 26 Mar 2003
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PostPosted: Fri Oct 15, 2004 8:53 pm    Post subject: Reply with quote

I think I'm seeing this and would be interested in any enlightenment... How did you remove "keep state"?
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