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The configuration files contained in the /etc/security/console.apps/ directory define the additional programs that users logged onto the console can run. This directory contains a collection of files, and each file corresponds to a command that users, after logging onto the console, can run as if they were root. puppy# ls -l /etc/security/console.apps/ -rw-r--r-1 root root 10 Aug 22 2003 authconfig -rw-r--r-1 root root 87 Aug 22 2003 authconfig-gtk -rw-r--r-1 root root 83 Sep 20 2003 dateconfig -rw-r--r-1 root root 64 May 29 01:31 ethereal -rw-r--r-1 root root 66 Apr 15 00:33 gdmsetup -rw-r--r-1 root root 14 Sep 26 2003 halt Whilst perhaps this model of granting extra privileges to console users makes administration for your system easier, I do not think this is a good idea from a security perspective. Most, if not all of these programs, should be run only by root, and the risk posed by this access being granted to a non-root user just because the user is able to login to the console is not acceptable on a production system. So, I recommend you disable this functionality. You can do this by removing the contents of the /etc/security/console.apps directory. Enter the following: puppy# rm -f /etc/security/console.apps/* The file /etc/security/console.perms contains the additional permissions provided. I also recommend you go through the permissions granted to users in the console.perms file and confirm you are comfortable granting all of them to non-root users who are logged into the console. asp.net pdf 417 ASP . NET PDF-417 Barcode Generator - Generate 2D PDF417 in ...
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Easy-to-use ASP . NET PDF417 Barcode Component, generating PDF-417 barcode images in ASP.NET, C#, VB.NET, and IIS project. s You will also find sample configuration files for other PAM modules in the /etc/security directory. Tip I will talk about some of them in the Pluggable Authentication Modules (PAM) section later in this chapter. asp.net pdf 417 PDF417 ASP . NET - Barcode Tools
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2 May 2019 ... NET framework. It is the second article published by this author on encoding and decoding of PDF417 barcodes. The first article is PDF417 ... Your virtual terminals are useful to allow you to log into multiple sessions on your console. But they can be dangerous if you leave sessions logged on unattended. I will show you a way to lock them against unauthorized use with a password. This is especially useful when you need to leave a process running interactively on the console. You start your process, change to another virtual terminal, and lock all the other virtual terminals. Then, unless someone has the root password, they cannot unlock the terminals and interfere with your running process. You will learn how to do this using a tool called Vlock. The Vlock tool comes with some Linux distributions but may need to be installed on others. Checking for the presence of the vlock binary on your system will tell you if you have it installed. Otherwise you can install packages for Red Hat, Mandrake, Debian, and other distributions at http://linux.maruhn.com/sec/ vlock.html. If not already installed, then add Vlock to your system, such as a Red Hat system. puppy# rpm -Uvh vlock-1-3-13.i386.rpm asp.net pdf 417 ASP . NET Barcode Demo - PDF417 Standard - Demos - Telerik
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It can work with Code128, PDF417 and many other symbologies. ... annoyingly split it along technology lines ( Barcode Professional "...for ASP . Sorted set is a new type of collection in the System.Collections.Generic namespace that maintains the order of items as they are added. If a duplicate item is added to a sorted set, it will be ignored, and a value of false is returned from the SortedSet s Add() method. The following example demonstrates creating a sorted list of integers with a couple of duplicates in: SortedSet<int> MySortedSet = new SortedSet<int> { 8, 2, 1, 5, 10, 5, 10, 8 }; With Vlock you can lock a single virtual terminal and allow people to change to another virtual terminal or lock all virtual terminals and disable changing between virtual terminals. You can lock your current virtual terminal with the command in Listing 1-13. Listing 1-13. Locking Your Current Virtual Terminal puppy# vlock -c This TTY is now locked. Please enter the password to unlock. root's Password: To now unlock this virtual terminal, you need to enter the root password. To disable all virtual terminals and prevent switching between virtual terminals, use the -a option. puppy# vlock -a The entire console display is now locked. You will not be able to switch to another virtual console. Please enter the password to unlock: root's Password: Again, to now unlock the virtual terminals, you need to enter the root password. If you are not able to enter the root password, the only way to disable the lock is to hard reset the system. Listing 11-4 shows how to start the named daemon by running the named binary. Listing 11-4. Starting named kitten# named -t /chroot/named -u named In Listing 11-4 the -t option specifies the root directory of the chroot jail I am using, /chroot/named. This is the directory that named will change to when it is chrooted. This then becomes the root directory for the named daemon. All directories you reference will be relative to this directory rather than the system s normal root directory. For example, the named daemon looks for the random device in /dev. In Listing 11-4, as the daemon is chrooted, the actual directory it will look for the device in is /chroot/named/dev. The -u option specifies the user you want to run the named daemon; I have specified the user named. In this example, the named daemon will start with root user privileges and then drop these privileges to run as the named user. asp.net pdf 417 Create PDF 417 barcode in asp . net WEB Application | DaniWeb
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