Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-09 Thread Bent Terp
As it turns out, the problem goes away if I use old-fashioned iptables, that is without connection tracking. Go figure! Take home lesson is do not use connection tracking iptables behind a Cisco FireWall Service Module. Is this just to be accepted as canon, or can somebody actually explain to me

Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-08 Thread Bent Terp
The only thing which shows up is that the client start sending duplicate ACK's, getting "Destination unreachable" as reply from the server (not from the Cisco). This happened 220 KB into the transfer in this case, but that figure varies quite a bit. ___ C

Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-07 Thread Bent Terp
Something like that probably, but apparently NOT the tcp window scaling. Aty least changing it doesn't help :-( I'm gonna try do some sniffing while downloading, as the regular error logs don't show anything. /B ___ CentOS mailing list CentOS@centos.org

Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-07 Thread Robert
Miskell, Craig wrote: I have a really weird problem with some of my servers, namely all the ones running Centos5 When I try to download a file from the server to a machine outside our Cisco 6500 router/firewall, the download hangs about half the times (15 out of 40) when less than half a megabyt

RE: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-07 Thread Miskell, Craig
> I have a really weird problem with some of my servers, namely all the > ones running Centos5 > > When I try to download a file from the server to a machine outside our > Cisco 6500 router/firewall, the download hangs about half the times > (15 out of 40) when less than half a megabyte into the

Re: [CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-07 Thread Barry Brimer
I have a really weird problem with some of my servers, namely all the ones running Centos5 When I try to download a file from the server to a machine outside our Cisco 6500 router/firewall, the download hangs about half the times (15 out of 40) when less than half a megabyte into the transfer (va

[CentOS] File retrieval from outside hangs, internally is okay, only Centos5 affected

2007-10-06 Thread Bent Terp
Hi! I have a really weird problem with some of my servers, namely all the ones running Centos5 When I try to download a file from the server to a machine outside our Cisco 6500 router/firewall, the download hangs about half the times (15 out of 40) when less than half a megabyte into the transfer