This site will have limited functionality while we undergo maintenance to improve your experience. If an article doesn't solve your issue and you want to ask a question, we have our support community waiting to help you at @FirefoxSupport on Twitter and/r/firefox on Reddit.

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Wannan tattunawa ta zama daɗaɗɗiya. Yi sabuwar tambaya idan ka na bukatar taimako.

Firefox connects to 127.0.0.1:* while Internet Explorer and Google Chrome don't make such a connection, Why does Firefox act like that?

  • 2 amsoshi
  • 2 sa na da wannan matsala
  • 3 views
  • Amsa ta ƙarshe daga Hakanhakan

more options

As per the article :Firefox makes unrequested connections

https://support.mozilla.com/en-US/kb/Firefox%20makes%20unrequested%20connections?s=127.0.0.1&r=0&as=s#w_loopback-connection

"A loopback connection (to IP address 127.0.0.1) can be made by Firefox on non-Unix machines. In this case the browser is communicating with itself as expected, and it is not recommended that this communication be blocked. "

Article above says that "Connection CAN BE MADE by Firefox." 1- Under which conditions this connection can be made? 2- Does Loopback connection made by Web Browser (firefox) creates security hole? 2- Internet Explorer and Google Chrome don't make such a connection, Why does Firefox act like that?

As per the article :Firefox makes unrequested connections https://support.mozilla.com/en-US/kb/Firefox%20makes%20unrequested%20connections?s=127.0.0.1&r=0&as=s#w_loopback-connection "A loopback connection (to IP address 127.0.0.1) can be made by Firefox on non-Unix machines. In this case the browser is communicating with itself as expected, and it is not recommended that this communication be blocked. " Article above says that "Connection CAN BE MADE by Firefox." 1- Under which conditions this connection can be made? 2- Does Loopback connection made by Web Browser (firefox) creates security hole? 2- Internet Explorer and Google Chrome don't make such a connection, Why does Firefox act like that?

All Replies (2)

more options

Firefox uses that loopback connection to communicate with the Software Security Device. That includes the Password Manager and secure connections.

more options

thanks co-rel. So, is that connection is expected behavior of Firefox and safe?