Linux, FreeBSD, Juniper, Cisco / Network security articles and troubleshooting guides

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Site map of Linux / BSD and Network Security

Firewals, computer, server and network security, kernel and applications security of FreeBSD/Linux/AIX systems.

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	Iptables: List rules as commands on Sun Mar 15, 2015 5:52 pm
	Ssh disable DNS reverse lookups on Thu Apr 01, 2010 11:03 am
	Find php scripts that use mail() function to spam in your Linux server on Tue Jan 27, 2015 6:56 am
	OpenSSL certificate authority (CA) - how to copy x509 extensions from CSR to signed PEM on Thu Jan 08, 2015 11:59 am
	OpenSSL signing error: The countryName field needed to be the same in the CA certificate and the req on Thu Jan 08, 2015 11:38 am
	IPv6 enablement for Ivorde.ro on Wed Jun 18, 2014 11:17 am
	Centos command to disable SELINUX on Tue Jan 28, 2014 11:54 am
	Using CURL to test a restricted web resource (URL for authenticated users) sending cookies headers. on Wed Jan 15, 2014 10:16 am
	How to check HTTPS site certificate chain with OpenSSL on Fri Oct 04, 2013 10:39 am
	CentOS Install Nemesis packet crafting tool + Libnet on Fri Sep 24, 2010 4:00 am

Tutorials for general Unix
	use "Ctr-A Ctr-\ " combination to terminate SCREEN session
Juniper SRX
	SRX300 - How to connect to serial console via USB port in MacOS
Shell Scripting and Programming
	DD (Disk Dump) show write progress
	BASH shell script to mointor a directory and move file without overwriting destination
	FreeBSD: Install python package manager (pip)
Virtualization
	Vmware ESXi: create custom named vmdk virtual disk [cli]
	Vmware ESXi: vmkfstools: Extra arguments at the end of the command line.
OpenLDAP - Lightweight Directory Access Protocol
	Synchronize OpenLDAP and Microsoft Active Directory
Routing and dynamic routing protocols
	BGP Notification Message (3), length: 21, OPEN Message Error (2), subcode Authentication Failure
	JUNOS BGP: How to drain a BGP peering router gracefully without bgp session reset
TCP/IP Networking
	Problem pinging and using server with mobile hotspot
Memory, Storage, Backup and Filesystems
	FreeBSD: List disk drives and re-scan after adding hot-add disk (in virtual environments)
TP-Link JetStream Switching
	TP-Link TL-SG3210 How to configure ARP Inspection, DHCP Snooping and ARP Scanning
	TP-Link JetStream SG3210 V2.0 CLI, User Guide downloads
Apache, Nginx, Lighttpd and other web server software
	NGINX: 413 Request Entity Too Large