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farhadnia
تا حالا ISP رو ندیدم که هیچ ترافیکی رو برای کابران محدود کنه...
خوب ندیدن دلیل بر نبودن که نمیشه. شما تابحال ندیدید. و پورتهای رایجی هم که میبندن ایناست:
FTP 21
SSH 22
Telnet 23
SMTP 25
Web 80
Pop 3110
IMAP143
Other Applications Remote Desktop 3389
PC Anywhere 5631
Most residential ISP's block ports to combat viruses and spam. The most commonly blocked ports are port 80 and port 25.
Port 80 is the default port for http traffic. With blocked port 80 you will need to run your web server on a non-standard port in conjunction with a port 80/web redirect from No-IP.com.
Port 25 is the default port for sending and receiving mail. ISPs block this port to reduce the amount of spam generated by worms on infected machines within their network. If you need to send legitimate email and your ISP blocks port 25. Consider the solutions from No-IP.com