port forwarding problem to mailserver zimbra
Posted: Sat Jul 08, 2017 11:36 pm
Hello all,
I have a problem with port forwarding to mail server, zimbra.
The server is behind nat, after redirecting single ports the mails do not reach the server.
But when I redirect the range 1-65535, it causes the mails to arrive correctly.
Does anyone have an idea what could be causing such a bug.
I have a problem with port forwarding to mail server, zimbra.
The server is behind nat, after redirecting single ports the mails do not reach the server.
But when I redirect the range 1-65535, it causes the mails to arrive correctly.
Does anyone have an idea what could be causing such a bug.
Code: Select all
7 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=7143 protocol=tcp dst-address=81.219.x.x
dst-port=7143 log=no log-prefix=""
8 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=7993 protocol=tcp dst-address=81.219.x.x
dst-port=7993 log=no log-prefix=""
9 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=143 protocol=tcp dst-address=81.219.x.x
dst-port=143 log=no log-prefix=""
10 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=110 protocol=tcp dst-address=81.219.x.x
dst-port=110 log=no log-prefix=""
11 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=22 protocol=tcp dst-address=81.219.x.x
dst-port=8888 log=no log-prefix=""
12 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=7071 protocol=tcp dst-address=81.219.x.x
dst-port=7071 log=no log-prefix=""
13 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=465 protocol=tcp dst-address=81.219.x.x
dst-port=465 log=no log-prefix=""
14 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=9071 protocol=tcp dst-address=81.219.x.x
dst-port=9071 log=no log-prefix=""
15 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=3443 protocol=tcp dst-address=81.219.x.x
dst-port=3443 log=no log-prefix=""
16 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=995 protocol=tcp dst-address=81.219.x.x
dst-port=995 log=no log-prefix=""
17 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=993 protocol=tcp dst-address=81.219.x.x
dst-port=993 log=no log-prefix=""
18 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=10000 protocol=tcp dst-address=81.219.x.x
dst-port=10000 log=no log-prefix=""
19 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=587 protocol=tcp dst-address=81.219.x.x
dst-port=587 log=no log-prefix=""
20 chain=dstnat action=dst-nat to-addresses=11.11.11.212 to-ports=25 protocol=tcp dst-address=81.219.x.x dst-port=25
log=no log-prefix=""
21 ;;; Dns redirect
chain=dstnat action=redirect to-ports=53 protocol=udp dst-port=53 log=no log-prefix=""