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Nico Schottelius 2019-11-07 19:05:22 +01:00
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content/u/blog/nftables-magic-redirect-all-ports-to-one-port/contents.lr
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@ -94,7 +94,7 @@ restrict the ports to be used for ssh. You can either use **sets**
(just replace the *tcp dport != ...* line above)!
## "Good ports"
## A note on ports
Over time you will see that there are some ports which are more likely
to be open, even if the network filters your traffic. Some well known
@ -106,7 +106,8 @@ ports for this are:
* 783: smtp submission port for sending out emails
Of course, if the filtering uses deep packet inspection, this will
fail, but then there are other solutions for that... stay tuned!!
fail, but then there are other solutions for that... stay tuned!
## More of it?