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Im currently using ufw to enforce some basic firewall rules. Is it possible to also use ufw to do port forwarding?

Specifically im wanting to forward incoming traffic to my server (same machine running ufw) on port 80 to port 8080. (http traffic forwarded to tomcat)


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1 Answer 1

up vote 17 down vote accepted

Add before filter section in /etc/ufw/before.rules(top of file):

-A PREROUTING -p tcp --dport 80 -j REDIRECT --to-port 8080

Then restart ufw.

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could you explain this line by line please? also, is there not something like ufw forward 80 to 8080? I thought UFW was Uncomplicated. –  Tom Mar 11 '12 at 11:58
Looks like there are no ufw commands for setting up the port fowards, so it must be done via configuraton files. More detailed description about the configuration file syntax is available at: frozentux.net/iptables-tutorial/… –  Juha Palomäki Jul 24 '12 at 9:01
That doesn't work for me, I receive following message in /var/log/syslog after turning loggin on: [52627.259812] [UFW BLOCK] IN=eth0 OUT= MAC=xxx SRC=xxx DST=xxx LEN=60 TOS=0x00 PREC=0x00 TTL=59 ID=59278 DF PROTO=TCP SPT=53997 DPT=8080 WINDOW=14600 RES=0x00 SYN URGP=0. It may be useful to know that before everything, I denied all incoming requests using ufw deny incoming and allowed only ssh,80,443. Could someone please advise what is the problem? –  Yura Jul 31 '14 at 8:05

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