hello friends i have a big problems,i have maken a perl program.It has two parts one is server side and one is client side,it is simple and it used to send message from server to client and client to server as just write the message and press enter from both side(server and client) one by one.I tested it on my single pc.it is working.But it is not working on internet(i m using PPP address),i have a small LAN using a switch and have a internet connection also(cable coming out from modem has been put in to switch). when i run my program on it then it doesn't run on it say "cannot call accept method on an undefined value" i know this error for ip address i m using ppp address of current system .. plz help me
