CLI - ufw - Revision history

Shin: /* Required rules */

2023-09-15T02:39:37Z

Required rules

2022-01-11T05:21:16Z

default rule TO "deny"

2022-01-11T05:20:34Z

default rule TO "deny"

2021-05-17T08:43:23Z

log

2021-05-17T08:41:51Z

reset

2021-05-17T08:41:02Z

default rule TO "deny"

2021-05-17T08:35:55Z

default rule TO "deny"

2021-05-17T08:34:30Z

Deleting rules

2021-05-17T08:34:11Z

2021-05-17T08:32:30Z

@@ Line 162: / Line 162: @@
   ufw allow 67/udp
   ufw allow 68/udp
   ufw allow 547/udp
   ufw allow 546/udp

@@ Line 232: / Line 232: @@
   [ 2] 22                    ALLOW IN    192.168.0.20
-{{note|If your SSH connection was disrupted because you missed a "allow" rule from your device after changing the default rule to "deny", you should connect the device using the "console".}}
+{{note|If your SSH connection was disrupted because you missed a "allow" rule from your device after changing the default rule to "deny", you should connect the device using the "console" and add an "allow" rule.}}
 ==== reset ====

@@ Line 232: / Line 232: @@
   [ 2] 22                    ALLOW IN    192.168.0.20
-{{note|If your SSH connection was disrupted because you missed a "allow" rule from your device after changing the default rule to "deny", you can connect the device using the "console".}}
+{{note|If your SSH connection was disrupted because you missed a "allow" rule from your device after changing the default rule to "deny", you should connect the device using the "console".}}
 ==== reset ====

@@ Line 245: / Line 245: @@
 ==== log ====
-The ufw logs all blocked packets not matching the defined policy and you can see them by the [[CLI - Log | <code>show log ufw</code>]] in the user mode.
+The ufw logs blocked packets not matching the defined policy and you can see them by the [[CLI - Log | <code>show log ufw</code>]] in the user mode.
 === References ===

@@ Line 235: / Line 235: @@
 ==== reset ====
-If you reset the ufw, all rules are deleting, default incoming rule is changed to "allow", and the ufw status is change to "disable".
+If you reset the ufw, all rules are deleting. Also, the default incoming rule is changed to "allow", and the ufw status is changed to "disable".
   LYSH@MyHostName# configure
   configure# ufw reset

@@ Line 217: / Line 217: @@
 ===== default rule TO "deny" =====
 If you definitely added all "allow" rules including the Required rules, change the default incoming rule to "deny". '''Be sure that there is a rule to access the SSH from your IP address before changing the default rule to "deny".'''
   LYSH@MyHostName# configure
   configure# ufw default deny
@@ Line 230: / Line 231: @@
   [ 1] 22                    ALLOW IN    192.168.0.10
   [ 2] 22                    ALLOW IN    192.168.0.20
 ==== reset ====

@@ Line 198: / Line 198: @@
   [ 2] 22                    ALLOW IN    192.168.0.20
-You can also delete a rule using the added rule.
+You can also delete a rule using the original rule.
   LYSH@MyHostName# show ufw added
   ufw allow from 192.168.0.10 to any port 22
@@ Line 214: / Line 214: @@
   --                         ------      ----
   [ 1] 22                    ALLOW IN    192.168.0.10
 ===== default rule TO "deny" =====

@@ Line 171: / Line 171: @@
   configure# ufw allow from {your ip address} to any port 22 proto tcp
-==== Deleting rules ====
+===== Deleting rules =====
 To delete a rule, simply prefix the original rule with delete or specify the rule number.
   LYSH@MyHostName# show ufw
@@ Line 216: / Line 216: @@
-==== default rule TO "deny" ====
+===== default rule TO "deny" =====
 If you definitely added all rules including the Required rules, change the default incoming rule to "deny". '''Be sure that there is a rule to access the SSH from your IP address before changing the default rule to "deny".'''
   LYSH@MyHostName# configure