commit f12e934a9aab8ce5ddce34f232fe7e582640da53
parent cf4a026f1476ff7b2cd3aad71293b8e982da2b3a
Author: mayfrost <mayfrost@cock.li>
Date: Sun, 27 Jan 2019 00:39:39 -0300
Update NETWORKING.md
Diffstat:
| M | NETWORKING.md | | | 51 | ++++++++++++++++++++++++++++++++++----------------- |
1 file changed, 34 insertions(+), 17 deletions(-)
diff --git a/NETWORKING.md b/NETWORKING.md
@@ -1,5 +1,20 @@
# NETWORKING
+## TOC
+1. [SETUP](#setup)
+1.1 [/etc/network/interfaces](#/etc/network/interfaces)
+1.2. [WiFi](#wifi)
+2. [FIREWALL](#firewall)
+2.1. [ufw](#ufw)
+3. [SSH](#ssh)
+3.1. [CLIENT](#client)
+3.2. [SERVER](#server)
+4. [TROUBLESHOOTING](troubleshooting)
+4.1. [tcpdump](#tcpdump)
+4.2. [netstat](#netstat)
+4.3. [traceroute](#traceroute)
+4.4. [nmap](#nmap)
+
## SETUP
### /etc/network/interfaces
@@ -39,7 +54,7 @@ You can save either example in a script to activate the Wi-Fi whenever you want.
* Note: As an educational tip, the name of a network is also called "_SSID_" in other places.
-## TROUBLESHOOTING
+## FIREWALL
### ufw
* Show status
@@ -61,6 +76,24 @@ You can save either example in a script to activate the Wi-Fi whenever you want.
* Allow a specific port for a specific address
`sudo ufw allow from IP_ADDRESS to any port PORT_NUMBER`
+## SSH
+### CLIENT
+* login to remote host
+`ssh ADDRESS`
+* login to remote host as user USER
+`ssh USER@ADDRESS`
+
+## SERVER
+* set ssh server configuration in /etc/ssh/sshd_config
+```
+Port 22 # default port is 22, can be changed
+PermitRootLogin without-password # change "without-password" to "no" to forbid root login
+AllowUsers USER_NAME # by allowing a specific user it restricts the others
+```
+* restart "ssh" service to activate changes
+
+## TROUBLESHOOTING
+
### tcpdump
* dump all
`sudo tcpdump`
@@ -116,19 +149,3 @@ You can save either example in a script to activate the Wi-Fi whenever you want.
`nmap --reason IP_NUMBER`
* show host interfaces
`nmap --iflist IP_NUMBER`
-
-## REMOTE CONNECTION
-### SSH
-* login to remote host
-`ssh ADDRESS`
-* login to remote host as user USER
-`ssh USER@ADDRESS`
-
-## SERVER
-* set ssh server configuration in /etc/ssh/sshd_config
-```
-Port 22 # default port is 22, can be changed
-PermitRootLogin without-password # change "without-password" to "no" to forbid root login
-AllowUsers USER_NAME # by allowing a specific user it restricts the others
-```
-* restart "ssh" service to activate changes
