Kategoriarkiv: Knowledge Base

chek cor listening services

Udgivet den juli 9, 2004 af Kvm2k

Find out whether unneeded services are listening and looking for possible backdoors. One of the first things that should be done after a fresh operating system install is to see what services are running, and remove any unneeded services from … Læs resten →

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Sudo crash course

Udgivet den juli 9, 2004 af mike

The sudo utility can help you delegate some system responsibilities to other people, without giving away full root access. It is a setuid root binary that executes commands on an authorized user’s behalf, after she has entered her current password. … Læs resten →

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Append only logfiles freebsd/linux

Udgivet den juli 9, 2004 af mike

Use file attributes to prevent intruders from removing traces of their break-in. In the course of an intrusion, an attacker will more than likely leave telltale signs of his actions in various system logs. This is a valuable audit trail … Læs resten →

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Access Control Lists , advanced permisions in linux

Udgivet den juli 9, 2004 af mike

Most of the time, the traditional Unix file permission system fits the bill just fine. But in a highly collaborative environment with multiple people needing access to files, this scheme can become unwieldy. Access control lists, otherwise known as ACLs … Læs resten →

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Loosy dir permisions and sticky bit

Udgivet den juli 9, 2004 af mike

# find / -type d \( -perm -g+w -o -perm -o+w \) -exec ls -lad {} \; Any directories that are listed in the output should have the sticky bit set, which is denoted by a t in the directory’s … Læs resten →

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Scan for SUID and SGID programs

Udgivet den juli 9, 2004 af mike

Unfortunately, a poorly written SUID or SGID binary can be used to quickly and easily escalate a user’s privileges. Also, an attacker who has already gained root access may hide SUID binaries throughout your system in order to leave a … Læs resten →

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Secure mount points

Udgivet den juli 9, 2004 af mike

A mount option is a flag that controls how the filesystem may be accessed. It is passed to the operating system kernel’s code when the filesystem is brought online. Mount options can be used to prevent files from being interpreted … Læs resten →

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Using Vim Editor

Udgivet den juli 9, 2004 af Brian Lund Klint

Coding in Vim: Vim is a great coder interface, remember cmd’s can be added to ~/.vimrc :syntax on : enable syntax highlighting on many types og source :set autoindent : Autoindent :set cindent : Automatic indent for c source :set … Læs resten →

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sparc console cable and other cables

Udgivet den juli 8, 2004 af black

ethernet kabler: http://www.ertyu.org/~steven_nikkel/ethernetcables.html diverse console kabler http://www.pitt.edu/~bdgregg/Cable_Wireing.html sparc console kabel: fra PC til sparc fra lille 9 pins hun til stort 25 pins han fra til 1 8 2 2 3 3 4 20 5 7 6 6 7 4 … Læs resten →

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how to make hotplug on slackware not plug in pci

Udgivet den juli 6, 2004 af black

just remove the file /etc/hotplug/pci.rc mv /etc/hotplug/pci.rc /etc/hotplug/pci.rc.old (the script only looks for *.rc) should also work with pcmcia =D

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