Excessive Proxy PAC requesting

bjornf · September 7, 2015

Noticed that the people using Maxthon browser sends to many queries to our proxy pac server. Example from Apache log below. Is this a known issue?

We return DIRECT for most URLs if that makes a difference.

Sample log from one client. 6 requests in within 1 second it seems.

- - [07/Sep/2015:11:53:39 +0200] "GET / HTTP/1.1" 200 1369 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.6.2000 Chrome/30.0.1599.101 Safari/537.36"

- - [07/Sep/2015:11:53:42 +0200] "GET / HTTP/1.1" 200 1369 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.6.2000 Chrome/30.0.1599.101 Safari/537.36"

- - [07/Sep/2015:11:53:43 +0200] "GET / HTTP/1.1" 200 1369 "-" "Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Maxthon/4.4.6.2000 Chrome/30.0.1599.101 Safari/537.36"

BugSir007 · September 10, 2015

Hi bjornf,

Thanks for the feedback.

Please wait patiently, we are still investigating on this issue.

BugSir007 · September 11, 2015

It seems that one user of yours has set his proxy to your server.

Here we can not identify who is that user...

Maybe you can directly contact the user if you know who he/she is.

bjornf · September 11, 2015

It seems that one user of yours has set his proxy to your server.

Here we can not identify who is that user...

Maybe you can directly contact the user if you know who he/she is.

I know that proxy-pac settings have been configured to our server. That is not the question. Question is why Maxthon browser fetches the proxy configuration file so often. No other browser does that. Not even near this frequency.

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Excessive Proxy PAC requesting

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