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One, why do 301 redirect?
Do a good job of the site's 301 redirect to the site's optimization rankings without any harm, on the contrary, he has promoted the role of the site's optimization rankings, the site to do 301 redirect can focus on the weight of the site home page, but also to standardize the path of the site; 301 redirects can enhance the site At the same time, 301 redirect can improve the site's keyword rankings.
Second, under what circumstances do 301 redirect?
1. The site changed
An error occurred while constructing the dns secondary Domain Name Server under redhat9-Linux Enterprise Application-Linux server application information. For details, refer to the following. The primary dns can work normally.
Secondary dns configuration file
Zone "huing.com" IN {
Type slave;
File "slaves/huing.com. zone ";
Masters {192.168.137.100 ;};
};
Zone "137.168.192.in-addr. arpa" IN {
Type slave;
How to write a. htaccess domain name jump file? Php space, supports pseudo-static hop transfer. for example, a php space can be bound with three domain names www.aaa.comwww.xxx.combbs.aaa.com at the same time. when www.xxx.com is used for access, it automatically jumps to www.aaa.com) point to index on the spatial home
There are two solutions,
N1: Configure in DNS resolution to point http://www.jiwai.de to http://jiwai.de
N2: Program Control, using HTTP 301 redirect, status code 301 stands for permanent transfer (permanently moved)
The following code checks whether WWW exists in front of each request. If yes, redirect the domain name to remove www.
If (request. url. Host.
Linux9 configure domain name reverse resolution-Linux Enterprise Application-Linux server application information. The following is a detailed description. # Tail-f/var/log/messages
======
Jan 29 11:14:38 hz named [21919]: dns_master_load: test. local: 8: unknown RR type '@'
Jan 29 11:14:38 hz named [21919]: zone 60.18.202.in-addr. arpa/IN: loading master file test. local: unknown class/type
# Vi test. loca
a design vulnerability that exists on all networks, so patching is designed without directly specifying the improvements."
"Dan's discovery is extremely important to the stability of the entire Internet," said Mose, founder of the Black Hat conference ." He said that if he sold this major discovery, he would certainly make a lot of money.
Securosis analyst morgol said in a media conference call: "The problem is very serious and involves how the entire dom
Interface
Poor lift
DNS Domain transfer
Search Engine Crawl
Through these methods to obtain after the de-weight, after the acquisition of C-segment domain name, such as a two-level domain name crawl out.Issues that need
At the beginning, there was a ready-made project that could be published and logged on to the default. aspx on the homepage through vs2005, but I could not log on by specifying the virtual directory through IIS. Later, I realized that a ready-made project has been bound to a specific domain name. I want to publish via IIS, only the same alias can be specified.
For example, if my original project has been b
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