Re: kernel: IP_MASQ:reverse ICMP:failed

[Alois Treindl <alois@xxxxxxxx>]

Hendrik Thiel wrote:
> 
> Hi everybody,
> 
> i noticed this in dmesg and messages:
> 
> kernel: IP_MASQ:reverse ICMP:failed checksum from 213.xxx.xxx.xxx!
> last message repeated 1522 times.
> Is this lvs specific (using nat) ? or can this be an attack?
> 

I see those too
Jun 17 22:16:19 wwc kernel: IP_MASQ:reverse ICMP: failed checksum from
193.203.8.8!  

not as many as you but every few hours a bunch.

-- 
|| Alois Treindl,  Astrodienst AG,  mailto:alois@xxxxxxxxx
|| Zollikon/Zurich, Switzerland