Some time ago, the company began to monitor the network.
In route, we made all the restrictions, on a web page, a lot of url and keyword filtering, port is also blocked a lot, not sparing even webQQ.
Yesterday, on yesterday, the company went so far as sealing of all the direct url to access. But it can be accessed directly via IP.
Guess what, the company's filtration is carried out in the following areas:
1. url domain filtering
2. Keyword filter
3. Port filtering [speak]
About a breakthrough method, a method using the agent to ignore.
For other methods, I was thinking:
1. url domain filtering solution:
For url domain filtering, my idea is to be able to live replace domain names into IP, longer accessible.
Question: Some sites do not allow direct access via IP, such as 163, Sina, etc.
2. Keyword filtering solution:
By that access coding . If the company should be filtered login.aspx, when this landed in the garden blog:
By IP / login.aspx still can not login, encoded into IP% 2flogin.aspx is not enough, because the same have login.aspx exist.
And later we want to enable access to Google's url translation , because if login.aspx become a parameter, it can be added to any "%" sign in the middle
As xxx.com/url=ip/l%o%%gin%.%a%spx, by adding any symbol%, to break login.aspx.
Problem: google translator is not directly accessible via IP. So this method and hung dishes.
Everyone passing through, and there is no other way to talk about a breakthrough in routing filter url and keyword domain name it?
Today, after XX, finally opened up the site visit. So in order to write this article, or had not even landed.
I wrote a temporary domain name transfer IP access browsing tools, by the way provide source code download
Source Download: Download
Reproduced in: https: //my.oschina.net/secyaher/blog/274329