Why is my firewall reporting that BitTorrent is attempting to send e-mails or access the web?
In almost every case, this is a false positive generated by your firewall. Occasionally, peers use common service ports like 25 (SMTP), 80 (HTTP), or 110 (POP3) in order to bypass restrictions their ISPs may impose on them. Because your firewall incorrectly assumes that any traffic with a destination port being a service port is traffic of the corresponding service, it (improperly) flags BitTorrent’s traffic accordingly. The one exception to this is when BitTorrent checks for updates, in which case it really is attempting to access the web. Assuming your computer itself is clean of malware, and you have obtained BitTorrent from a known legetimate source (like BitTorrent’s own download page), then it is safe to ignore these warnings and allow BitTorrent to perform the action. If you do not want BitTorrent to access these ports, you can set bt.no_connect_to_services and bt.no_connect_to_services_list accordingly.
Related Questions
- The downside is that clients attempting to send legitimate email using their web sites domain name (such as, mail.my_domain.com) are left scratching their heads asking, "now what?
- Why is my firewall reporting that BitTorrent Mainline is attempting to send e-mails or access the web?
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