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Website Monitoring Services

Website Monitoring Services

Network-Tools | Traceroute, Ping, Domain Name Server (DNS) Lookup, WHOIS Reverse IP Lookup - Find Other Web Sites Hosted on a Web Server Find other sites hosted on a web server by entering a domain or IP address above. Note: For those of you interested, as of May 2014, my database has grown to over 100 million domain names. I am now offering this domain list for purchase. A reverse IP domain check takes a domain name or IP address pointing to a web server and searches for other sites known to be hosted on that same web server. Background All web sites are hosted on web servers, which are computers running specialized software that distribute web content as requested. As of 2003, more than 87% of all active domains names were found to share their IP addresses (i.e. their web servers) with one or more additional domains. While IP sharing is typically transparent to ordinary users, it may cause complications for both search engine optimization and web site filtering. Concerning SEO (search engine optimization) Conversely, search engines value links from web sites hosted on different IP addresses. Concerning web site filtering

Traditional DNS Howto Traditional DNS Howto Version 1.0 Authors: Tom Adelstein <tom [dot] adelstein [at] gmail [dot] com> Falko Timme <ft [at] falkotimme [dot] com> Last edited: 03/11/2006 Linux system administrators should learn traditional DNS. Front-ends and quick templates to setup domain records have a place in managing sites. The vast majority of users on the Internet have no clue about DNS. The Internet uses TCP/IP protocol to send and receive everything on the Internet. You see is an name in a database that your browser consults to find the IP address of the Google web site. If you're sitting there reading this and going, "Oh yeah, I already know about that", then hold on a minute or two. The Domain Name System of the Internet makes up the largest distributed database on the planet and it's quite ingenious. Internet surveys of DNS records have shown incidents of errors as high as 72%. If you attempt to learn DNS jargon, you will find that it is not intuitive.

Настройка VPN сервера на Cisco (PPTP с шифрованием) | Самым простым сервером VPN настраиваемым на маршрутизаторах Cisco является сервер PPTP: Для настройки PPTP сервера необходимо задать на маршрутизаторе всего несколько команд. Ниже приведен перечень всех команд, которые нужно ввести (просто скопируйте этот в текстовый редактор, подправьте IP адреса и CTRL-C, CTRL-V в режиме конфигурирования) username vpnuser password 123456ip local pool test vpdn enable vpdn-group 1 accept-dialin protocol pptp virtual-template 1 exit interface virtual-template 1 encapsulation ppp peer default ip address pool test ip unnumbered FastEthernet0/0 ppp encrypt mppe auto ppp authentication pap chap ms-chap Подробности: Клиентская часть VPN есть на любом компьютере с Windows – это стандартное удаленное соединение. PPTP можно настроить на любом маршрутизаторе, но не в любой IOS. 2621#configure terminal Enter configuration commands, one per line. 2621(config)#vpdn enable (Если маршрутизатор не выругался, значит нам повезло. ! ! ! Все.

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