SSH :ligação à porta anfitriã local 22: Ligação recusada
Em debian kali tentei ligar ssh e obtive o seguinte erro :
SSH: ligar à porta local anfitriã 22: Ligação recusada
Background :
Eu estava a tentar ligar ssh em debian, estou a usar kali 2.0 sana
O que tentei/did:
`apt-get install openssh-server`
instalei openssh-server e a sua actualização
serviço consultado ssh status
● ssh.service - OpenBSD Secure Shell server
Loaded: loaded (/lib/systemd/system/ssh.service; enabled)
Active: active (running) since Wed 2015-09-23 17:20:36 IST; 36min ago
Main PID: 1594 (sshd)
CGroup: /system.slice/ssh.service
└─1594 /usr/sbin/sshd -D
Reconfigurado dpkg-reconfigurar openssh-server e também levar ao sucesso
Agora tentei ligar ssh root@localhost
o que requer a palavra-passe root@localhost pelo que o que fiz foi
vi /etc/ssh/sshd_config
e adicionei um comando para negar o login root :
O meu sshd_config como se segue :
What ports, IPs and protocols we listen for Port 22
#Use these options to restrict which interfaces/protocols sshd will bind to
#ListenAddress ::
#ListenAddress 0.0.0.0 Protocol 2
# HostKeys for protocol version 2 HostKey /etc/ssh/ssh_host_rsa_key HostKey /etc/ssh/ssh_host_dsa_key HostKey /etc/ssh/ssh_host_ecdsa_key HostKey /etc/ssh/ssh_host_ed25519_key
#Privilege Separation is turned on for security UsePrivilegeSeparation yes
Agora novamente tentei ligar o ssh através de ‘ssh root@localhost’ não consegui connect to host localhost port 22: Connection refused
I embora o meu iptables
possa estar a impedi-lo de o configurar como :
vim /root/firewall.rules
root@vignesh:~# iptables-save > /root/firewall.rules
root@vignesh:~# iptables -X
root@vignesh:~# iptables -t nat -F
root@vignesh:~# iptables -t nat -X
root@vignesh:~# iptables -t mangle -F
root@vignesh:~# iptables -t mangle -X
root@vignesh:~# iptables -P INPUT ACCEPT
root@vignesh:~# iptables -P FORWARD ACCEPT
root@vignesh:~# iptables -P OUTPUT ACCEPT
root@vignesh:~# iptables-save > /root/firewall.rules
E eu perguntei o iptables-save
# Generated by iptables-save v1.4.21 on Wed Sep 23 18:50:34 2015
*mangle
:PREROUTING ACCEPT [41217:4171959]
:INPUT ACCEPT [27727:3255690]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1834:219528]
:POSTROUTING ACCEPT [1835:219654]
COMMIT
# Completed on Wed Sep 23 18:50:34 2015
# Generated by iptables-save v1.4.21 on Wed Sep 23 18:50:34 2015
*nat
:PREROUTING ACCEPT [15456:1179155]
:INPUT ACCEPT [1858:255303]
:OUTPUT ACCEPT [223:14078]
:POSTROUTING ACCEPT [223:14078]
COMMIT
# Completed on Wed Sep 23 18:50:34 2015
# Generated by iptables-save v1.4.21 on Wed Sep 23 18:50:34 2015
*filter
:INPUT ACCEPT [26756:3173280]
:FORWARD ACCEPT [0:0]
:OUTPUT ACCEPT [1775:215770]
COMMIT
Como por comentário verificado
root@vignesh:~# netstat -an | grep 22
tcp 0 0 10.100.8.40:54036 216.58.220.46:80 ESTABLISHED
tcp 0 0 10.100.8.40:41573 216.58.220.14:80 ESTABLISHED
unix 3 [] STREAM CONNECTED 17722 @/tmp/dbus-JUNz9GwSon
unix 3 [] STREAM CONNECTED 13422
unix 3 [] STREAM CONNECTED 17224
unix 3 [] STREAM CONNECTED 17422
unix 2 [] DGRAM 9222
unix 3 [] STREAM CONNECTED 17221 /var/run/NetworkManager/private
unix 3 [] STREAM CONNECTED 17225 /var/run/NetworkManager/private
unix 3 [] STREAM CONNECTED 17229
unix 3 [] STREAM CONNECTED 17220
Agora novamente tentei ssh root@localhost
mas novamente obtive o erro.
Por gentileza guia-me onde me falta a parte? Como é que a posso ligar?