Search

Some would make the case that Perl is the most used and most capable scripting language on the Internet today, and this is probably true. Its versatility and ease of use has made it an industry ... Perl sockets work like file handles that can span across a network or the entire Internet. ... Internet socket programming in Perl

passed from the hands of Internet authorities. Regional registries now hold all remaining Class A address blocks, and they are expected to run out in a few months. The vast majority of ISPs still do ... The next generation of Internet connectivity

Time and again, situations arise in which admins need access to a system they do not otherwise manage. But, do you want to hand over responsibility for password management to a centralized software ... administrator is not available. In Case of Emergency The classic solution to this problem is a list of passwords in a sealed envelope that is deposited in a vault and handed over when an emergency occurs ... Time and again, situations arise in which admins need access to a system they do not otherwise manage. But, do you want to hand over responsibility for password management to a centralized software

. Listing 1 A SIP Request 01 INVITE sip:bob@tuwien.ac.at SIP/2.0 02 Via: SIP/2.0/UDP myhost.myprovider.de;branch=z9hG4bK776asdhds 03 ... 04 To: Bob 05 ... 06 From: Alice Internet Telephony (SPIT) is regarded as the next generation of spam. In this article, we investigate SPIT and point out countermeasures for admins with VoIP servers. ... 0 ... Spam over Internet Telephony

familiar features found in competitive products at a very attractive price. Infos Release Notes for XenServer 6.2.0: http://support.citrix.com/article/CTX137826 Tech preview of Xen ... Open Source XenServer 6.2 ... Citrix XenServer 6.2 goes open source

) win 512 9a:d7:d9:6a:fd:ee 9b:e8:7:15:e4:1d 0.0.0.0.44381 > 0.0.0.0.7072: S 352131538:352131538(0) win 512 42:33:77:69:9b:65 ef:3b:4c:19:e2:bd 0.0.0.0.24920 > 0.0.0.0.19837: S 1039619585:1039619585(0 ... Understanding Layer 2 switch port security

level of TCP streams and UDP datagrams) and 7 (HTTP/application protocols) can be configured comprehensively, whereas the underlying Layer 2 and Layer 3 network (frames and IP packet layers) cannot. Who ... Mesh Service for OSI Layers 2 and 3

, the answer to the Common Name prompt is login.example.com (Figure 2). Keep the certificate, the private key, and the passphrase somewhere safe; better yet, memorize the passphrase ... To spoil the day for lurking data thieves, Apache administrators only need three additional directives – and a handful of commands. ... Setting up SSL connections on Apache 2

Hadoop 2.x and its associated tools promise to deliver big data solutions not just to the IT-heavy big players, but to anyone with unstructured data and the need for multidimensional data analysis. ... able to tailor any additional functions they needed, whereas painstaking development has always overtasked the midcaps. This situation has now finally changed with Hadoop 2.2.0. ... Hadoop 2.x and its associated tools promise to deliver big data solutions not just to the IT-heavy big players, but to anyone with unstructured data and the need for multidimensional data analysis.

that is routed into the local site, the IPv4 nodes, in which dual-stack is enabled, create global unicast addresses, which can then be used to access the Internet (Figure 2 ... Even though corporations are looking to move to IPv6, in some situations networks still rely exclusively on IPv4. We discuss ways to minimize delays and unsatisfactory behavior in mixed IPv4/IPv6