13.10.2021, 15:41
Da ich den Standartport für ssh (22) verändert habe, möchte ich die ufw Regel dafür löschen.
Anmelden:
Last login: Wed Oct 13 12:08:35 2021 from ganz weit weg
Status anzeigen:
salzstange@spielwiese:~$ sudo ufw status verbose
[sudo] password for salzstange: vergessen
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip
To Action From
-- ------ ----
22/tcp ALLOW IN Anywhere
22 ALLOW IN Anywhere
neuer Port ALLOW IN Anywhere
22/tcp (v6) ALLOW IN Anywhere (v6)
22 (v6) ALLOW IN Anywhere (v6)
neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] 22/tcp ALLOW IN Anywhere
[ 2] 22 ALLOW IN Anywhere
[ 3] neuer Port ALLOW IN Anywhere
[ 4] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 5] 22 (v6) ALLOW IN Anywhere (v6)
[ 6] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 1
Deleting:
allow 22/tcp
Proceed with operation (y|n)? y
Rule deleted
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] 22 ALLOW IN Anywhere
[ 2] neuer Port ALLOW IN Anywhere
[ 3] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 4] 22 (v6) ALLOW IN Anywhere (v6)
[ 5] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 1
Deleting:
allow 22
Proceed with operation (y|n)? y
Rule deleted
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 3] 22 (v6) ALLOW IN Anywhere (v6)
[ 4] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 2
Deleting:
allow 22/tcp
Proceed with operation (y|n)? y
Rule deleted (v6)
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22 (v6) ALLOW IN Anywhere (v6)
[ 3] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 2
Deleting:
allow 22
Proceed with operation (y|n)? y
Rule deleted (v6)
salzstange@spielwiese:~$ sudo ufw reload
Firewall reloaded
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] neur Port (v6) ALLOW IN Anywhere (v6)
Kontrolle:
salzstange@spielwiese:~$ sudo lsof -i
oder: sudo netstat -tulpen
DENY IN:
salzstange@spielwiese:~$ sudo ufw deny 22
Rule added
Rule added (v6)
salzstange@spielwiese:~$ sudo ufw deny 22/tcp
Rule added
Rule added (v6)
salzstange@spielwiese:~$ sudo ufw reload
Firewall reloaded
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22 DENY IN Anywhere
[ 3] 22/tcp DENY IN Anywhere
[ 4] neuer Port (v6) ALLOW IN Anywhere (v6)
[ 5] 22 (v6) DENY IN Anywhere (v6)
[ 6] 22/tcp (v6) DENY IN Anywhere (v6)
salzstange@spielwiese:~$ ready!
Anmelden:
Last login: Wed Oct 13 12:08:35 2021 from ganz weit weg
Status anzeigen:
salzstange@spielwiese:~$ sudo ufw status verbose
[sudo] password for salzstange: vergessen
Status: active
Logging: on (low)
Default: deny (incoming), allow (outgoing), disabled (routed)
New profiles: skip
To Action From
-- ------ ----
22/tcp ALLOW IN Anywhere
22 ALLOW IN Anywhere
neuer Port ALLOW IN Anywhere
22/tcp (v6) ALLOW IN Anywhere (v6)
22 (v6) ALLOW IN Anywhere (v6)
neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] 22/tcp ALLOW IN Anywhere
[ 2] 22 ALLOW IN Anywhere
[ 3] neuer Port ALLOW IN Anywhere
[ 4] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 5] 22 (v6) ALLOW IN Anywhere (v6)
[ 6] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 1
Deleting:
allow 22/tcp
Proceed with operation (y|n)? y
Rule deleted
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] 22 ALLOW IN Anywhere
[ 2] neuer Port ALLOW IN Anywhere
[ 3] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 4] 22 (v6) ALLOW IN Anywhere (v6)
[ 5] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 1
Deleting:
allow 22
Proceed with operation (y|n)? y
Rule deleted
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22/tcp (v6) ALLOW IN Anywhere (v6)
[ 3] 22 (v6) ALLOW IN Anywhere (v6)
[ 4] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 2
Deleting:
allow 22/tcp
Proceed with operation (y|n)? y
Rule deleted (v6)
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22 (v6) ALLOW IN Anywhere (v6)
[ 3] neuer Port (v6) ALLOW IN Anywhere (v6)
salzstange@spielwiese:~$ sudo ufw delete 2
Deleting:
allow 22
Proceed with operation (y|n)? y
Rule deleted (v6)
salzstange@spielwiese:~$ sudo ufw reload
Firewall reloaded
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] neur Port (v6) ALLOW IN Anywhere (v6)
Kontrolle:
salzstange@spielwiese:~$ sudo lsof -i
oder: sudo netstat -tulpen
DENY IN:
salzstange@spielwiese:~$ sudo ufw deny 22
Rule added
Rule added (v6)
salzstange@spielwiese:~$ sudo ufw deny 22/tcp
Rule added
Rule added (v6)
salzstange@spielwiese:~$ sudo ufw reload
Firewall reloaded
salzstange@spielwiese:~$ sudo ufw status numbered
Status: active
To Action From
-- ------ ----
[ 1] neuer Port ALLOW IN Anywhere
[ 2] 22 DENY IN Anywhere
[ 3] 22/tcp DENY IN Anywhere
[ 4] neuer Port (v6) ALLOW IN Anywhere (v6)
[ 5] 22 (v6) DENY IN Anywhere (v6)
[ 6] 22/tcp (v6) DENY IN Anywhere (v6)
salzstange@spielwiese:~$ ready!
All done!