About this trail:
including topics on LAN security, networking protocols, whatever else I find useful
Trail link: http://www.trailfire.com/WramblinReck/trails/45684
Summary: http://www.trailfire.com/WramblinReck/trailview/45684
Summary: http://www.trailfire.com/WramblinReck/trailview/45684
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SANS Institute - Malware FAQ: Microsoft PPTP VPN
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Funkwerk Enterprise Communications [PPTP Verbindung]
Wie ein VPN mit PPTP aufgebaut wird - eine gute Website.
Implementing a VPN using a PPTP connection
Wie ein VPN mit PPTP aufgebaut wird - eine gute Website.
Implementing a VPN using a PPTP connection
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Wikipedia's site on the Bastion host
(A bastion host [firewall] is an all in one firewall-router - it should be an application and circuit-level gateway and also a packet filter.) Read here for an overview or learn more about bastion hosts.
(A bastion host [firewall] is an all in one firewall-router - it should be an application and circuit-level gateway and also a packet filter.) Read here for an overview or learn more about bastion hosts.
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SANS Institute - Intrusion Detection FAQ: What is a bastion host?
A more detailed definition of a bastion host. See here to learn about ACLs.
A more detailed definition of a bastion host. See here to learn about ACLs.
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Demilitarized zone (computing) - Wikipedia
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Note this page describes a broadcast address.
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provides domain registration information from Network Solutions
find a domain name server for a domain (e.g., www.bellsouth.net,www.cnn.com) here
find a domain name server for a domain (e.g., www.bellsouth.net,www.cnn.com) here
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While this article is twelve years old (and counting), it's a great read on the basics of ISDN, including BRI and PRI, V.42bis,
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Also check out AppleTalk Fundamentals. Also see about assigning nodes in AppleTalk.
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In light of text below, see this article on picking a node number.
A node then picks a node ID in the 0 to 253 ($00 to $FD) range. As in the
past, a node ID of 0 is reserved to mean "send to myself", and 255 is
reserved for broadcasts. With AppleTalk Phase 2, 254 is also reserved for
internal use.
A node then picks a node ID in the 0 to 253 ($00 to $FD) range. As in the
past, a node ID of 0 is reserved to mean "send to myself", and 255 is
reserved for broadcasts. With AppleTalk Phase 2, 254 is also reserved for
internal use.
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this site recommends that each workstation use a node number between 1 and 253
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See the IP version 6 specification, more information on IPv6 from Sun, an early RFC on IPv6 (a.k.a. IP Next Generation, or IPng), and the official information page for IPv6.
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well-known Transport Layer port numbers
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This page describes how DHCP dynamically allocates network addresses.
See an RFC that defines DHCP.
An interesting writeup on DHCP snooping
See an RFC that defines DHCP.
An interesting writeup on DHCP snooping
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see a BIND entry (look halfway down the page that this link follows to)
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SIP Requests
SIP Responses
SIP Headers
See this CISCO SIP page describe SIP messages.
an interesting newsgroup thread, including this entry's description of the Route, Record Route, and Via headers in SIP
Translation between phone numbers and SIP URIs (SIP URIs look like FQDNs)
SIP Responses
SIP Headers
See this CISCO SIP page describe SIP messages.
an interesting newsgroup thread, including this entry's description of the Route, Record Route, and Via headers in SIP
Translation between phone numbers and SIP URIs (SIP URIs look like FQDNs)
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The quoted entry from Jan is quite insightful.
Header field descriptions:
Header field descriptions:
- Route header - where to send the current message.
- Record-route header - where to send future SIP requests.
- Via header - where to send replies/responses.
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In my experience, the technique suggested by the Moderator here does not work. The way to actually view logged in sessions through Terminal Services on a Windows 2003 Server machine is to go to Administrative Tools -> Terminal Services Manager and expand "All Listed Servers" on the left menu.
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shows ranges for private IP addresses
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includes showing how to send an e-mail at the command line using SMTP to log into an e-mail server
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