Iptables Allow MYSQL server incoming requests

Posted by thompatry on Server Fault See other posts from Server Fault or by thompatry
Published on 2012-11-21T15:57:15Z Indexed on 2012/11/21 17:01 UTC
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I am trying to get my new MediaWiki server to allow connections to our MySql Server and right now I cannot get my iptables firewall set up right for this.

The rule I am applying is the following

    iptables -A INPUT -p tcp -d 129.130.155.39 --dport 3306 -j ACCEPT           # MySQL

But my iptables log is still show that the connections can not be established and is being blocked/denied.

    Nov 21 09:48:39 hds-it kernel: Firewall Deny: [OUTPUT] IN= OUT=eth1 SRC=129.130.155.210 DST=129.130.155.39 LEN=60 TOS=0x00 PREC=0x00 TTL=64 ID=29232 DF PROTO=TCP SPT=58862 DPT=3306 SEQ=914529531 ACK=0 WINDOW=14600 RES=0x00 SYN URGP=0 OPT (020405B40402080A03BCF2BC0000000001030307)

When I turn off iptables, everything works as it should including editing the wiki database. What am I doing wrong with my rule.

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