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This evening, the vast majority of Google international websites, including Google.com, such as Google.com, Gmail, Google Reader, Google Docs, have been inaccessible in some provinces and cities in China.According to my analysis, the way to block Google is not new, is the use of Domain name hijacking (DNS hijacking) method, through technical means, Google's various types of foreign domain names resolved to a wrong address, making google.com inaccessible. Some time ago, CCTV had accused Google in
Dnsmasq is used to speed up the Internet access of ADSL-Debian, a Linux release technology. For more information, see the following. This article uses DNSmasq to create a local DNS Cache library to improve browsing speed by reducing the time for the browser to interpret domain names 1. Install dnsmasq Apt-get install dnsmasq 2. Edit the configuration file of dnsmasq. Apt-get vim/etc/dnsmasq. conf Find the following item # Resolv-file = Replace with the following statement Resolv-
Specific methods: Click into "Settings" → "Wireless lan" → "WiFi network right small i icon" → Change the DNS address, you can choose one of the following DNS for replacement.opendns:208.67.222.222 and 208.67.220.220googledns:8.8.8.8 and 8.8.4.4nortondns:198.153.192.1 and 198.153.194.1comododns:156.154.70.221 and 56.154.71.22Both Norton and Comodo have security features that intercept sites with poison and horse-hanging and malicious code. Recommended OpenDN
out.Google's 8.8.8.88.8.8.8 is an IP address that is the IP address of a free DNS server provided by Google, and the IP address of another free DNS server provided by Google is: 8.8.4.4. Users can surf the Internet using a DNS server provided by Google.December 04, 2009 Google gave us a surprise, and a heavy blow to the OpenDNS. They announced to all internet users a set of fast, secure and completely free DNS resolution server, the address is: main
management tools, such as y ppa Manager, to easily add, remove, and output Ubuntu PPA. There is an additional benefit to process the output PPA gpg key. Gufw: it is as simple as Ubuntu ufw (firewall). The fact is that it is used for beginners, And the CLI option is very backward. Fortunately, there is a solid GUI called Gufw. The software allows end users to Set firewall rules, and even supports application-based firewall control. OpenDNS: with paren
, symptoms are many sites are not open, or directly to the operator's own advertising or navigation page. At this time, our users need to modify the system DNS server, foreign or domestic public DNS resolution server. Foreign Public DNS servers: Google Public DNS (8.8.8.8, 8.8.4.4) Norton DNS (198.153.192.1, 198.153.194.1) OpenDNS (208.67.222.222, 208.67.220.220) OpenDNS Family (208.67.222.123, 208.67
and Skype Call Recorder to set it to the Skype audio conference mode. You can record the meeting content. However, before using the record software, check whether local laws permit it. Y ppa Manager: it is as easy to use as Synaptic, and the package processing is good, but its PPA backup function is not perfect. Therefore, we recommend that you use real PPA management tools, such as y ppa Manager, to easily add, remove, and output Ubuntu PPA. There is also an additional benefit for processing t
to Fr Using SSH and run the following command: # echo nameserver 208.67.222.222 > /etc/resolv.conf# echo nameserver 208.67.220.220 >> /etc/resolv.conf These two IP addresses are the DNS server address of opendns, and opendns is a website that provides free DNS services. Through the above settings, we can access the Internet on the FR, for example: 5. Update fr software 5.1 and introduction The general say
-- Solution to computer hijacking by interconnected stars Solution to computer hijacking by interconnected starsMy computer was hijacked at http://bf.welcome.vnet.cn/of China Telecom 114.vnet.com.If you enter most of the URLs, you will go to the search.114.vnet.com search page to search hundreds of keywords.I have used the following methods to help.The domain name or website you entered cannot be accessed, which may be incorrect or the website access times out.Please query the website you need i
DNS stands for Domain Name System, which is the domain name resolution system. It helps you find a path on the Internet. Its function on the Internet is to convert a domain name into an IP address that can be recognized by the network. At present, domestic telecom operators use DNS hijacking and DNS pollution to interfere with normal internet access and prevent users from accessing many common foreign services. Therefore, today I will introduce some domestic and foreign DNS server addresses, for
Some time ago, Dropbox had never been accessible. I thought it was a wall, but it was not handled because of other things. Today I saw an article on the Internet and tried it myself, dropbox is accessible. There are two well-known reasons: one is that the connection between you and the server is blocked; the other is that your DNS request is contaminated, a nonexistent destination is returned. Dropbox cannot be accessed because of the latter and DNS pollution. Because the connection to Dropbox i
, you have met the carrier site hijacked, symptoms are many sites are not open, or directly to the operator's own advertising or navigation page. At this time, our users need to modify the system DNS server, foreign or domestic public DNS resolution server. Foreign Public DNS servers: Google Public DNS (8.8.8.8, 8.8.4.4) Norton DNS (198.153.192.1, 198.153.194.1) OpenDNS (208.67.222.222, 208.67.220.220) OpenD
manually add DNS and test its latency, enabling DNS with a lower latency and no hijacking behavior directly on the right, as shown in the following figure: Several DNS server IPs are recommended below: • Foreign Public DNS servers: Google Public DNS (8.8.8.8, 8.8.4.4) Norton DNS (198.153.192.1, 198.153.194.1) OpenDNS (208.67.222.222, 208.67.220.220) OpenDNS Family (208.67.222.123, 208.67.
accessible because of the latter, DNS pollution. Because the connection to the Dropbox is not wall, as long as you get the correct DNS query return value, you can synchronize the Dropbox normally. There are rumors that by modifying the Hosts file method can let Dropbox continue normal use, I have not tried this method, but this seems more troublesome. There is a software that can solve this problem. OpenDNS released software Dnscrypt, c
connection, Remove the default DNS, choose foreign DNS, such as Google's. or OpenDNS. 3. Means of salvation The best solution, of course, is to do it on the server. It is not possible for everyone, so what is the way to save? IS--refresh (not the general refresh OH). The principle of refreshing: Many people may not know that there are two types of refreshes. The so-called refresh is actually from the server to download data to the local hard disk
is not accessible because of the latter, DNS pollution. Because the connection to the Dropbox is not wall, as long as you get the correct DNS query return value, you can synchronize the Dropbox normally. There are rumors that by modifying the Hosts file method can let Dropbox continue normal use, I have not tried this method, but this seems more troublesome. There is a software that can solve this problem. OpenDNS released software Dnsc
" {match-clients {CNC;};Zone "Xyz.com" {Type master;File "/DATA/NAMED/CNC_XYZ";};}; View "View_any" {match-clients {any;};Zone "Xyz.com" {Type master;File "/DATA/NAMED/ANY_XYZ";};}; That would be enough. Then we need cnc\_xyz and any_xyz two specific zone fileTwo files are basically exactly the same, pointing to different IP $TTL 2hxyz.com. In SOA ns.xyz.com. Root.xyz.com. (200710222h40m1w2h) This6.com. In NS ns.xyz.com.This6.com. In MX 1 mail.xyz.com.NS in A 1.1.1.1Mail in A 1.1.1.1 www in A 1.
computer installed all the protection software temporarily shutdown or temporarily stop protection, and then open "Control Panel"-"System and Security"-"Windows Firewall", click on the left "turn on or off Windows Firewall" This is temporarily set to shut down, and then the phone will reopen the web attempt. 5. If the mobile phone QQ can send and receive messages, but cannot open the Web page, other applications can not be networked, perhaps the computer system DNS s
Yesterday, the server's DNS suddenly failed to use, causing the related child station to crash, the log saw a large number of similar errors: File_get_contents (): Php_network_getaddresses:getaddrinfo failed:name or service not known ... file_get_contents (' Http://www.111cn.net '): Failed to open Stream:php_network_getaddresses:getaddrinfo failed:name or Service not known ... It is obvious that DNS cannot resolve domain names and has to be replaced: #打开linux网络配置文件 vi resolv.conf #注释老的nameseve
information, see interfaces (5 ). # The loopback network interface Auto lo Iface lo inet loopback # The primary network interface # Added support for hot swapping Allow-hotplug eth0 # Automatically activate the NIC and guess it. Wait for further data verification. Auto eth0 Iface eth0 inet dhcp # Office ip # Iface eth1 inet static # Address 10.88.9.171 # Netmask 255.255.255.0 # Broadcast 10.88.9.255 # Network 10.88.9.0 # Gateway 10.88.9.254 The command to manually modify the ip address and
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