Port forwarding in Linux

Two situation :
1) While using ssh
2) While using sudo su 


Error encounter :
Xlib: PuTTY X11 proxy: wrong authentication protocol attempted

1) Using ssh : use ssh with -X option
vUSER1@rhel1234orc001a:grid]$ ssh -X oracle@rhel1234orc001a
 [oracle@rhel1234orc001a:~]$ xterm
[oracle@rhel1234orc001a:~]$

2) Using sudo su : use temporarily transfer the authorization to the other account using xauth add

vUSER1@rhel1234orc001a:grid]$ xauth
Using authority file /home/vUSER1/.Xauthority
xauth> list
rhel1234orc001a.mysite.local/unix:10  MIT-MAGIC-COOKIE-1  e7b1c3caf33b411c00a6cc4f243fe97c
xauth> exit
[vUSER1@rhel1234orc001a:grid]$ sudo su - oracle
[oracle@rhel1234orc001a:~]$ xauth add rhel1234orc001a.mysite.local/unix:10  MIT-MAGIC-COOKIE-1  e7b1c3caf33b411c00a6cc4f243fe97c
[oracle@rhel1234orc001a:~]$ xterm
[oracle@rhel1234orc001a:~]$

Hope that helps...

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