Cleaned up and merge other Linux snippit repo

Meged https://git.bprieshof.nl/brammp/linux into ./Linux

Linux/Docs/HowTo-SSH-Tunnels.md

@@ -0,0 +1,42 @@
+## SSH SOCSK (ProxyTunnel)
+#### Command
+`ssh -C -D <proxyport> <USERNAME>@<SYSTEM>`
+
+* -C : enables compression
+* -D : specifies Socks proxyport 
+
+### Firefox
+1. go to Edit -> Preferences -> Advanced -> Network -> Connection -> Settings...
+2. check "Manual proxy configuration"
+3. make sure "Use this proxy server for all protocols" is cleared
+4. clear "HTTP Proxy", "SSL Proxy", "FTP Proxy", and "Gopher Proxy" fields
+5. enter "127.0.0.1" for "SOCKS Host"
+6. enter "1080" (or whatever port you chose) for Port.
+
+## SSH Remote forward (makes local port apear on remote machine)
+
+#### Port to be internaly binded on remote machine
+
+`ssh -R <remoteport>:<address in local network or localhost>:<localport> <USERNAME>@<SYSTEM>`
+
+#### Port to be binded to remote machine 
+
+`ssh -g -R *:<remoteport>:<address in local network or localhost>:<localport> <USERNAME>@<SYSTEM>`
+
+* -R : Remote forward
+* -N : Do not execute a remote command
+* -g : forward to remote network
+
+### SSHD config (on remote where ports are forwarded to)
+* GatewayPorts no : only allows the remote system to connect
+* GatewayPorts yes: allows the remote network to connect to the forwarded port
+* GatewayPorts clientspecified : allows the remote network to connect to the forwarded port when -g switch is used
+
+
+## SSH Local forward (makes remote port apear on local machine)
+
+#### Remote port to be binded on local machine
+
+`ssh -L <bindPort>:<address in remote network or localhost>:<remote port> <USERNAME>@<SYSTEM>`
+
+* -L : Local forward