KENSEI IT BLOG

터널링 (ipip, gre) 리눅스 리눅스 터널링 (아래는 고정아이피에서만 가능, 암호화 되지 않음) mode ipip : IPIP (속도빠름)mode gre : GRE (Cisco 호환) [VPN CLIENT] ip tunnel add ipip0 mode ipip local 클라이언트공인아이피 remote 서버공인아이피 ttl 255ip link set ipip0 upip addr add 192.168.10.1/30 dev ipip0echo 0 >/proc/sys/net/ipv4/conf/ipip0/rp_filter [VPN SERVER] ip tunnel add ipip0 mode ipip local 서버공인아이피 remote 클라이언트공인아이피 ttl 255ip link set ipip0 upip ..

ssh tunneling [ssh 클라이언트] ip tuntap add tun0 mode tun ip addr add 192.168.0.1/32 peer 192.168.0.2 dev tun0 ifconfig tun0 192.168.0.1 netmask 255.255.255.0 [ssh 서버] ip tuntap add tun0 mode tun ip addr add 192.168.0.2/32 peer 192.168.0.1 dev tun0 ifconfig tun0 192.168.0.2 netmask 255.255.255.0 [ssh 서버] vim /etc/ssh/sshd_config Port 22 Port 50000 PermitTunnel yes sshd 데몬 재시작 service sshd restart [s..