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blog/ufw: limit access to cups & mdnsd to LAN

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This commit is contained in:
Aminda Suomalainen 2015-08-22 12:01:20 +03:00
parent af8001edd9
commit 6a6ca79253
1 changed files with 5 additions and 4 deletions
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9
_posts/2015-06-12-ufw.md
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@ -23,8 +23,8 @@ ufw default allow outgoing
systemctl enable ufw && systemctl start ufw
ufw enable
ufw reject 113
ufw allow 631
ufw allow 5353/udp
ufw allow from 172.16.0.0/16 to any port 631
ufw allow from 172.16.0.0/16 to any port 5353
ufw allow 17500/tcp
ufw allow 60000:61000/udp
```
@ -42,8 +42,9 @@ ufw allow 60000:61000/udp
This makes ident checking IRC servers connect faster as they don't have
to timeout. If you run shell server (for IRC purpouses) you should allow
this instead.
* 631/cups — Allow access to cups for printer sharing
* 5353/mdns/Avahi — used for `.local` addresses
* 631/cups — Allow access to cups for printer sharing from local network
* 5353/mdns/Avahi — used for `.local` addresses and probably not needed
outside local network
* 17500/Dropbox — which I use everywhere
* 60000:61000/mosh — I feel this is the most insecure part of this setup
and there should be something bettter instead of this.