similar to: flush ip_conntrack table manually?

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=511 Summary: Premature ip_conntrack timer expiry on 3+ window size advertisements Product: netfilter/iptables Version: linux-2.6.x Platform: All OS/Version: All Status: NEW Severity: minor Priority: P2 Component: ip_conntrack

Hi all, i need advice how can i limit ip_conntrack per IP. clients of network that i support often uses torrent , DC++ , eMule clients and i have lost packages because they open too many ports. i have traffic control limits but this obviously isn''t enough Any advance how to prevent server from this kind problems will be welcome. Best regards Emil

--mYCpIKhGyMATD0i+ Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Netfilter Core Team Security Advisory =20 CVE: CAN-2003-0187 Subject: Netfilter / Connection Tracking Remote DoS Released: 01 Aug 2003 Effects: Any remote user may be able to DoS a machine

https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=64 ------- Additional Comments From tobias@portfolio16.de 2003-04-21 23:51 ------- Hi, I think I just found a problem with the patch... It was my fault to use a automatic build system and not check it... In the end the patch didn't apply in its whole and I didn't discover it, because the build system just went on.

https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=39 Summary: can't execute 'make modules' Product: netfilter/iptables Version: patch-o-matic Platform: i386 OS/Version: RedHat Linux Status: NEW Severity: major Priority: P2 Component: ip_tables (kernel) AssignedTo:

Hi all, I want to allocate bandwidth for ipsec interface using CBQ/tc. Suppose the conf. file is like this, DEVICE=ipsec0,10Mbit,1Mbit RATE=128Kbit WEIGHT=10Kbit PRIO=5 RULE=192.128.1.0/24 Does it work or What else options need to be taken care like ipsec packets/protocol/port # etc.? C''d anybody suggest please? regds, Srikanth. _______________________________________________ LARTC

https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=49 ------- Additional Comments From laforge@netfilter.org 2003-02-14 08:39 ------- what patches from patch-o-matic do you use? Do you know how to reproduce this behaviour? ------- You are receiving this mail because: ------- You are on the CC list for the bug, or are watching someone who is.

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=549 Summary: kernel oops when trying to remove ip_conntrack module Product: netfilter/iptables Version: linux-2.6.x Platform: x86_64 OS/Version: Fedora Status: NEW Severity: critical Priority: P2 Component: unknown AssignedTo:

Hi, I know that this is a known problem but I don''t know the solution. I have a linux server with iptables, kernel 2.4.17. Now in logs appear (Debian): kern.log: Mar 1 23:12:55 cpie kernel: ip_conntrack: table full, dropping packet. Mar 1 23:13:56 cpie last message repeated 10 times Mar 1 23:13:59 cpie last message repeated 3 times Mar 1 23:14:10 cpie kernel: NET: 1 messages

Hello I''ve got a server with 3Gb of ram and I want to keep 256 for the system and allocate the rest to conntrack ... I''ve tried to change the HASHSIZE of the ip_conntrack but dmesg return me this error ! ip_conntrack version 2.4 (2097152 buckets, 16777216 max) - 236 bytes per conntrack ip_conntrack: falling back to vmalloc. .... I''ve use this "math"

[root at tcs stat]# uname -a Linux tcs 2.6.9-5.0.5.ELsmp #1 SMP Wed Apr 20 00:16:40 BST 2005 i686 i686 i386 GNU/Linux [root at tcs stat]# pwd /proc/net/stat [root at tcs stat]# ls -al total 0 dr-xr-xr-x 2 root root 0 Jun 3 18:51 . dr-xr-xr-x 5 root root 0 May 31 23:12 .. -r--r--r-- 1 root root 0 Jun 3 18:51 arp_cache -r--r--r-- 1 root root 0 Jun 3 18:51 ip_conntrack -r--r--r-- 1 root root

https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=32 Summary: ip_conntrack seems to track everything which can be very slow on HTTP Product: netfilter/iptables Version: linux-2.4.x Platform: i386 OS/Version: RedHat Linux Status: NEW Severity: blocker Priority: P2

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=477 Summary: ip_conntrack_ftp.o: unresolved symbol ip_conntrack Product: netfilter/iptables Version: linux-2.4.x Platform: i386 OS/Version: RedHat Linux Status: NEW Severity: normal Priority: P2 Component: ip_conntrack AssignedTo:

I''ve been having all sorts of problems the last few days with my connection slowing down and then stopping working. Rebooting the router box always fixes it for a while. When I couldn''t hit any pages this morning, and couldn''t even ssh into the router, I dug around a little. When I did a dmesg on the router, there were a bunch of errors saying: ip_conntrack: table full,

I have a bunch of servers, where I''ve deployed shorewall-lite. For us is very useful to have a centralized repository of the firewall rules deployed in our servers. One of this servers is pretty busy, handling lots of connections. In that server I''m getting from time to time this message: ip_conntrack: table full If I where working in a custom made iptables firewall I will

It seems that the value of net.ipv4.ip_conntrack_max has no so much to do with the conntrack ''cause the when I measure current number of connections i.e.: wc -l /proc/net/ip_conntrack they show as ~20-30 000 connection, but I set sysctl -w net.ipv4.ip_conntrack_max=150000 and packets get dropped, I have to set it to value above 200 000 so that packets are not dropped ?!! Any idea

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=549 ------- Additional Comments From kaber@trash.net 2007-02-25 22:58 MET ------- > When ip_conntrack_pptp / ip_nat_pptp modules are loaded in addition to ftp ones, the oops happens in one of the latter two modules. I'm not sure I understand. ip_conntrack shouldn't be unloadable while these modules are still loaded, so how

Hello! Has anyone seen this netfilter kernel crash? Images from the console of the crashed firewall: http://pasik.reaktio.net/centos5-kernel-crash/ Firewall is HP DL360 G4 server running CentOS 5.x 32 bit. I've seen this firewall crashing multiple times, but I only started investigating it lately.. It has happened using CentOS 5.0, 5.1 and now also with 5.2. I'm not sure if it was

https://bugzilla.netfilter.org/cgi-bin/bugzilla/show_bug.cgi?id=32 laforge@netfilter.org changed: What |Removed |Added ---------------------------------------------------------------------------- Severity|blocker |enhancement Status|NEW |RESOLVED Resolution|

https://bugzilla.netfilter.org/bugzilla/show_bug.cgi?id=477 netfilter@linuxace.com changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |netfilter@linuxace.com Status|NEW |RESOLVED Resolution|