Le 12/12/2014 16:25, Patrick McHardy a écrit :
On 12.12, leroy christophe wrote:
Le 12/12/2014 12:55, Arturo Borrero Gonzalez a écrit :
On 12 December 2014 at 12:07, leroy christophe <christophe.leroy@xxxxxx> wrote:
I'm not sure what I proposed it the correct patch, maybe it shall be fixed
earlier in the chain, I don't know.
Yeah, I'm not so sure myself.
Could you please try what happens if you do:
... tcp dport 222 redir :tcp dport
Which should redirect to the same port, but I'm interested if it
actually does that.
Without my patch, I get the following. Note the strange value in the DPT
on the second line.
[ 61.377273] redirIN=eth0 OUT=
MAC=08:00:51:20:44:5b:08:00:27:fe:42:1e:08:00 SRC=172.25.231.37
DST=172.25.231.5 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=29122 DF PROTO=TCP
SPT=55626 DPT=222 WINDOW=14600 RES=0x00 SYN URGP=0
[ 61.377816] rejected IN=eth0 OUT=
MAC=08:00:51:20:44:5b:08:00:27:fe:42:1e:08:00 SRC=172.25.231.37
DST=172.25.231.5 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=29122 DF PROTO=TCP
SPT=55626 DPT=20 WINDOW=14600 RES=0x00 SYN URGP=0
With my patch, I get correct port.
[ 511.994597] redirIN=eth0 OUT=
MAC=08:00:51:20:44:5b:08:00:27:fe:42:1e:08:00 SRC=172.25.231.37
DST=172.25.231.5 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=21300 DF PROTO=TCP
SPT=55622 DPT=222 WINDOW=14600 RES=0x00 SYN URGP=0
[ 511.994999] rejected IN=eth0 OUT=
MAC=08:00:51:20:44:5b:08:00:27:fe:42:1e:08:00 SRC=172.25.231.37
DST=172.25.231.5 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=21300 DF PROTO=TCP
SPT=55622 DPT=222 WINDOW=14600 RES=0x00 SYN URGP=0
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