Network
In general, the term network can refer to any interconnected group or system.
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Some operating systems are better networking citizens than others. Depending on your network, you may want to prioritize traffic from certain machines over traffic from other operating...
IPsec is short for IP security, which is a manner of encrypting and authenticating Internet traffic all the way down to the IP packet level. That means that protocols such as SMTP, which are...
In today's Internet-centric computing world, networking components are a paramount feature of any system worth its salt. Easily falling into that category, OpenBSD contains strong network code and...
In my last article on BSD SNMP, we looked at installing the ucd-snmp package and using the snmpwalk tool. If you want to use the SNMP agent on your system, you need to set up the snmp daemon.
We've seen how SNMP can be used to gather just about any information from a host. You can interpret this data through a wide array of programs. The most popular are cricket and mrtg. Both are...
In last week's article, we used the sockstat utility to determine which daemons were listening for network connections on a FreeBSD system. Let's continue where we left off by taking a closer look at...
In my last article, we took a look at the DHCP client that comes with your FreeBSD system. This week, I want to move on to configuring a DHCP server. Unlike the built-in dhclient, your FreeBSD system...
I'd like to thank you for your feedback on the first part of "Securing Small Networks with OpenBSD." You asked many interesting questions that prompted me to write another article in which I'll try...
OpenBSD is first and foremost a secure server operating system, the key function of which is to provide encrypted, code-audited, and stable network services. After basic network parameters have been...
I planned to write about pf log file analysis tools and techniques, but the mail I received after the last installment of Securing Small Networks With OpenBSD made me change my mind, because many...
With Active Directory threatening the traditional SMB (Server Message Block) Windows file sharing and Appletalk/Chooser MacOS file sharing, open source Unix has an opening to become recognized as a...
We've discussed sharing filesystems via SMB a few times. SMB
lets you access files shared by a Windows system after jumping
through only half a dozen loops. Sharing files with another
Unix...
Unix permissions are flexible and can solve almost any access control problem, but what about the ones they can't? Do you really want to make a group every time you want to share a file with another...
This article shows us a root exploit in BSD derived telnet daemons; buffer overflows in xman, the Merrit and Lucent RADIUS servers. . .
This article helps us fine-tune our firewall rules. She uses DHCP as an example, steps through its requirements and shows how to implement the appropriate firewall rules.
The BSD underpinnings of Mac OS X allow PHP to run as an Apache module in its native Unix environment. Here's how to load and run PHP on your Mac OS X system.
Tired of tripping over Ethernet cables stretched across the house? Michael Lucas show us how to configure wireless Ethernet cards on a FreeBSD laptop.
