Validating a username and password pair against a remote RADIUS server is an easy task in PHP. This page shows two methods via which credentials can be checked using the RADIUS protocol. The first method will use PHP’s RADIUS PECL extension (see http://www.php.net/manual/en/book.radius.php). The second method will use …

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This page lists different HTTP request templates. All templates contain the minimum number of required headers. HTTP POST
POST /login.cgi HTTP/1.0 Host: 192.168.200.1 Content-Type: application/x-www-form-urlencoded Content-Length: 51 submit=Login&username=admin&password=Adm1n15trat0r HTTP GET
GET /index.html HTTP/1.0 …

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You can use the following commands to scan a netblock for the presence of systems with an SNMP service which still use the community strings “public” and/or “private”. nmap -P0 -v -sU -p 161 -oA snmp_scan 192.168.0.1/24 for i in *.gnmap do for j in $(grep ‘161/open/’ $i | awk ‘{ print $2 }’) do echo $j snmpwalk -v2c -c …

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The purpose of this small message is to show how you can configure a static IP address in Debian Linux. I know that other sites have more detailed explanations on this (and the man page too), but I put it here mostly as a reminder to myself. Add the following content in /etc/networking/interfaces to configure a static …

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Some examples of using tcpdump. Show all packets received from host 123.123.123.123 tcpdump -r $i src host 123.123.123.123 Show all TCP packets received from host 123.123.123.123 except the RCP RESET packets tcpdump -r $i src host 123.123.123.123 and tcp[tcpflags] & tcp-rst==0 Show all UDP packets received from host …

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Name-based virtual hosts use multiple host names for the same webserver IP address. This post show how you can create name-based virtual hosts using the iisweb command-line utility. With web browsers that support HTTP/1.1 (as nearly all now do), upon connecting to a webserver, the browsers send the address that the …

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This page explains how you can script the creation of new domains in a Windows DNS server using the dnscmd utility. For one of my projects, I needed to find a way to redirect requests from local machines to for example google.com to a local webserver. To accomplish this, I setup a DNS server, made sure that all the …

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How to add a static IP route in Windows? To add a static IP route

Open Command Prompt. \ At the command prompt, type: route add destination mask subnetmask gateway metric costmetric if interface \ where:

destination: Specifies either an IP address or host name for the network or host. \ subnetmask: Specifies a …

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The NET Command is used to manage network resources as follows: Manage Services NET START, STOP, PAUSE, CONTINUE Connect to a file/print Share (Drive Map) NET USE Create/view file/printer Shares NET SHARE, VIEW, FILE, SESSIONS Manage Network Print jobs and Network Time NET TIME, PRINT Security NET ACCOUNTS, USER, …

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The following table translates the traditional netmask format to its CIDR notation. Additionally you can see how many addresses can exist in a subnet with a certain netmask. php $headers = array(“Netmask”, “CIDR”, “Nr of IPs”); $rows = array(); $rows[] = array(“255.255.255.255”, “32”, “1”); $rows[] = …

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