diff --git a/config/.ssh/config b/config/.ssh/config
index 15f4011..8601654 100644
--- a/config/.ssh/config
+++ b/config/.ssh/config
@@ -2,19 +2,22 @@ Host lusntag
     HostName lusntag.vostan.org
     Port 8080
     User vahagn
+    PreferredAuthentications publickey
 
 Host yerevak
     HostName yerevak.vostan.org
     Port 24
     User vahagn
+    PreferredAuthentications publickey
 
 Host hrat
     HostName 192.168.0.4
     User vahagn
+    PreferredAuthentications publickey
 
 Host github.com
     User vishap
-    Hostname ssh.github.com
+    Hostname github.com
     PreferredAuthentications publickey
     IdentityFile ~/.ssh/id_rsa
-    Port 443
+