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I want to allow all LAN traffic to my Ubuntu server. I have read the documentation and see the command, but when I try to edit the command for my IP range I get an error. How can I allow all traffic starting at 192.168.15.0 - 192.168.15.255?

sudo ufw allow from 192.168.15.0/255 ERROR: Bad source address

It seems like the 15 (third octal) is causing the error. Almost like UFW does not expect a LAN to have a unique IP set.

Thank you

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good question, but ufw is a simple interface above the iptables, you may able to do more control over packets via iptables. i prefer you to read this nice article about iptables: faqs.org/docs/iptables –  pylover Jan 7 '13 at 23:50
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1 Answer

up vote 1 down vote accepted
sudo ufw allow from 192.168.15.0/24
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Does 0/24 include IPs such as 192.168.15.220? –  Christopher Altman Oct 13 '09 at 16:16
    
Yes. 192.168.15.0/24 includes adresses from 192.168.15.1 to 192.168.15.254. –  Roy Oct 13 '09 at 16:41
    
Thank you, now the documentation makes more sense. –  Christopher Altman Oct 14 '09 at 1:33
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