[elrepo-devel] ip6t_TCPMSS is missing in kernel

[Michel van Dop]

Hello Phil, 

I ask the developers of the firewall whats the think.
Thanks for helping me out so fast! 

I lett you now when i found a
solution. 

Thanks you again Phil and Alan! 

Michel 

On Sat, 16 Jul
2011 22:21:48 +0100, Phil Perry wrote: 

> On 16/07/11 20:49, Michel van
Dop wrote:
> 
>> Hello Phil, I try to load the module on this way:
modprobe ip6t_TCPMSS And restart the firewall But same error in the
firewall script: Enabling setting the maximum packet size via MSS
/sbin/ip6tables -A FORWARD -o eth0 -p tcp --tcp-flags SYN,RST SYN -j
TCPMSS --clamp-mss-to-pmtu ERROR (2): ip6tables v1.3.5: Unknown arg
`--clamp-mss-to-pmtu' Try `ip6tables -h' or 'ip6tables --help' for more
information. /sbin/ip6tables -A OUTPUT -o eth0 -p tcp --tcp-flags
SYN,RST SYN -j TCPMSS --clamp-mss-to-pmtu ERROR (2): ip6tables v1.3.5:
Unknown arg `--clamp-mss-to-pmtu' Try `ip6tables -h' or 'ip6tables
--help' for more information. also try: modprobe xt_TCPMSS And when i do
this : lsmod | grep TCPMSS xt_TCPMSS 12967 2 x_tables 18263 18
ip6t_rt,xt_tcpudp,iptable_nat,xt_TCPMSS,ip6t_LOG,ipt_LOG,ip6t_REJECT,ipt_REJECT,ip6table_mangle,iptable_mangle,xt_multiport,xt_state,xt_limit,xt_conntrack,ip6table_filter,ip6_tables,iptable_filter,ip_tables
Before or ather the load i get same result of the lsmod grep TCPMMS. So
that make no different for me. Thanks best regards, Michel
> 
> OK, my
guess from the error you see would be that the functionality you 
> are
looking for is present in the kernel module but is maybe not yet 
>
supported in the user space ip6tables tools given the age of el5. My 
>
guess is you would also need to update ip6tables to obtain this 
>
functionality.
> 
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>
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