Tagged: host

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How To Specify Host, Port and Protocol For Tcpdump?

Tcpdump is everyday tool used by system and network administrator. We generally look simple use cases like host, port and protocol filter for tcpdump . In this tutorial we will look how to filter host, port and protocol in tcpdump. But keep in mind that tcpdump will requires administrator or root...

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Nmap Host Discovery with Examples

Nmap is popular tool used by pentesters, system administrators and network administrators. Nmap provides a lot of features for free. In this tutorial we will look host discovery features and options of nmap. Discover with Ping Scan One of the basic usage for Host discovery is Ping scan. Ping uses...

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Nmap Timing and Performance

Performance is important part of the scan. Nmap developers always looks for optimized and adjustable performance options. Adjustable scan performance is important because scanning big networks will require a lot of time to complete job. As a security analyzer or pentester time is important for us. Set Host Group Count...

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Nmap Target Specification

Requirement for scanning is target specification. Nmap provides different methodologies to set targets. Single Host Address This is the simplest and mostly used target specification. We only provide single ip address.

192.168.1.1 is the target ip address Dns Name Nmap can use DNS names as targets. It will resolve DNS...

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DHCP Reservation For Windows Server 2012, Windows Server 2008 and Benefits

DHCP is a protocol used to provide network related configuration to the network hosts. Mainly IP address information, network gateway, network mask and DNS server information are provided by DHCP protocol. DHCP have more features like providing boot file over network etc. In this tutorial we will look how DHCP...

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How To Install Virtualbox Into Windows?

Virtualbox is virtualization tool used to create virtual machines. Virtual machines can be cloned, created, deleted without affecting any external source in the host system.  In this tutorial we will look how to install Virtualbox virtualization software in Windows operating systems. Download VirtualBox We will download Virtualbox from following link....

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No Route To Host Error And Solution

While trying to ping or connect a remote host I can an error “no route to host”. How can I debug this error and solve it? As we know IP networks are constructed hop by hop which means there are different intermediate routers transmit packets between two remote hosts. These...

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