7
SSH . SSH. .
SSH?
, SSH , , . VPN SOCKS Proxy.
: , . .
- , . Remote Access VPN.
- .
- SOCKS . , . , .
SSH?
- , . , SSH , , .
. Site-to-Site VPN, .
?
, , . 65 535 , .
, . , HTTP 80 . , 80 .
, . 8080 80 . , IP 8080, 80 .
, - 2000-10000, 2000 .
. , SSH.
L. :
$ ssh -L local_port:remote_ip:remote_port user@hostname.com $ ssh -L 8080:www.example1.com:80 example2.com
, 8080 example1.com example2.com. .
, netcat. , netcat :
$ nc -v remote_ip port_number
, "!". .
- , , SSH .
(Autossh)
, Autossh. , .
, Autossh . .
$ sudo apt-get install autossh
autossh ssh:
$ autossh -L 80:example1.com:80 example2.com
, . , . :
$ ssh -R 8080:localhost:80 geek@likegeeks.com
:
$ ssh -R remote_port:local_ip:local_port user@hostname.com
ssh -. , .
- , , SOCKS .
. , . :
$ ssh -D local_port user@hostname.com
, 1234 SSH , :
$ ssh -D 1234 geek@likegeeks.com
, , , , .
. oracale. L R .
$ ssh -L local_port_1:remote_ip:remote_port_1 -L local_port_2:remote_ip:remote_port2 user@hostname.com $ ssh -L 8080:192.168.1.1:80 -L 4430:192.168.1.1:1521 user@hostname.com $ ssh -R remote_port1:local_ip:local_port1 remote_port2:local_ip:local_port2 user@hostname.com
SSH lsof:
$ lsof -i | egrep '\<ssh\>'
, . IP n.
$ lsof -i -n | egrep '\<ssh\>'
, SSH . , sshd_config.
$ sudo vi /etc/ssh/sshd_config
, SSH .
PermitOpen , . IP :
PermitOpen host:port PermitOpen IPv4_addr:port PermitOpen [IPv6_addr]:port
AllowTCPForwarding SSH. .
AllowTCPForwarding yes #default setting AllowTCPForwarding no #prevent all SSH port forwarding AllowTCPForwarding local #allow only local SSH port forwarding AllowTCPForwarding remote #allow only remote SSH port forwarding
sshd_config:
$ man sshd_config
SSH . . , SSH SOCKS , .
, SSH TCP TCP. .
VPN, - SSH , sshuttle, . Ubuntu Debian
$ sudo apt-get install sshuttle
, GitHub:
$ git clone https://github.com/sshuttle/sshuttle.git $ cd sshuttle $ ./setup.py install
sshuttle SSH. :
$ sudo sshuttle -r user@remote_ip -x remote_ip 0/0 vv
Ctrl+C. sshuttle , D.
IP, :
$ curl ipinfo.io
, IP .
