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Nobody knows your home network or firewall to be able to troubleshoot your problem. Home networks are usually behind NAT and reside on private networks that cannot be addressed from outside. Therefore your problem could be that you have to configure your router to enable port forwarding from your external to the internal TCP/IP address, or ask your Internet provider to obtain a public address.
thanks Dude. I did have the public address set up and forward it to my home server. I can visit my tomcat (installed on my home server) through a browser in the firm, meaning port 80 (I directed 80 to the default 8080 of tomcat from my router) was not blocked. From another place (rather than from the firm) I can also use ssh or ping, etc. It's obvious that the firm's firewall block my access.
So you are requesting a list showing possible Firewall solutions your employer might use, and how to work around them by tunneling any program through port 80 ?!
well, pretty much like that. Not that I intend for something evil, just curious in learning.
I think I can take from here, guess "tunnelling" is the key word...
Moderator Comment and Action:
You will need to ask your employer's IT staff about this.
Since such an action might be against your employer's policies and since a violation of those policies could subject you to termination of your job, no one in these OTN forums is going to guide you.
This topic is outside the scope of the forum.