Previous
Unix tools track hackers
News If you need to map an IP address to find the fully qualified domain name, you can use the dig command to find out who owns it. To use this command, insert the IP address or hostname after the dig command, like so: dig 140.216.41.2.
[October 1, 2002, 8:51]
Troubleshoot Windows 2000 DHCP server
News If you get an address in the range 169.254.x.x on a Windows 2000 client, you'll know that the client was unable to obtain an IP address from the DHCP server.Try using the Ipconfig/release command followed by Ipconfig/renew.
[January 21, 2003, 10:01]
Solve Windows 2000 DNS server problems
News At the user's workstation, you should run IPCONFIG /ALL from a command line to see whether the TCP/IP stack on the local machine is responding correctly. Even though you can do that simply by opening a browser window, you can also PING the user's...
[May 19, 2003, 13:03]
Alarm over 'pharming' attacks
Talkback Then, open a dos command window (Start-Run-Command-Enter) and type PING [the address you used to login] and record the IP numbers that come back. Third case in point: In order to fight pharming attacks, as indicated above, instead of using the...
[May 26, 2005, 16:48]
Secure your DNS - replace BIND
News It can be used to publish a list of IP addresses that provide a specific service.DnsfilterDnsfilter is an IP-address-to-hostname conversion utility.dnsip, dnsipq, dnsname, dnstxt, dnsmxThese are command line tools used to manage the DNS services...
[February 5, 2003, 9:32]
Seeking your techno guru
Blog a) The Windows File and Printer sharing wizard has been run.b) A Firewall rule in the router is sending traffic to that machine.c) The address has been to set to match that PCs Netmask settings.d) The address was randomly chosen by The Windows IP...
[November 30, 2008, 17:03]
Improve Linux security
News And like other commonly used TCP/IP applications, telnet has a standard defined port number, 23, which is also the address of the running telnet server application. The results of this command are also shown in Figure A.
[October 8, 2002, 10:39]
How to tweak Linux network files
News IP address Fully Qualified Domain Name (FDQN) alias Configurations in this particular file determine which device will be used for networking, which protocol will be used (manual, dhcp, and so on), whether the device will be started at boot, the IP...
[January 7, 2003, 8:56]
Mac OS X 10.2 Jaguar review
Reviews You no longer need to type in a server IP address or URL (as with 10.1). Windows servers now show up by name in the Connect To Server command of the Go menu. The Find command in the Finder's File Menu (command-F) brings up a streamlined advanced...
[August 23, 2002, 11:43]
NSLookup
Downloads It provides the most commonly required functionality of the unix nslookup command, i.e.translation between IP addresses and hostname (domain name). For example, the IP address of www.google.com is 216.239.33.101 (note, that's its IP address...
[June 13, 2002, 5:59]
PacketForward
Downloads It is a command line tool that listens on one network interface for UDP and TCP packets and then injects them on the same or another network interface. PakcetForward is an IP packet capture and forward application based on libpcap and libnet.
[March 12, 2009, 21:42]
WAPT
Downloads They can have individual IP address (IP spoofing), user name and password, and persistent cookies, to name a few. The command line interface allows you to integrate WAPT into the existing development environment.
[June 6, 2007, 21:37]
NetScanTools Pro
Downloads Here are just a few of the things you can do using NetScanTools: *Translate an IP address to a hostname, or vice versa. Sweep an IP address range looking for active computers. The advantage they have over their command line counterparts is in the...
[November 17, 2008, 7:46]
Whatmask
Downloads This notation is used by a number of popular routers (and nobody knows why.To use Whatmask in the original mode simply type "whatmask " The notation can be in any of the three formats and Whatmask will automagically figure out what it is and...
[November 17, 2003, 6:00]
Use IP and BGP to troubleshoot Internet connectivity
News Using my example information on this route server, I can issue this command show ip bgp 64.32.205.237 and get the output shown in Listing A. To start, you will need to know your public Internet IP address.
[June 24, 2003, 15:35]
Troubleshooting the WLAN
News Open a Command Prompt window on a PC on your wired network and ping your wireless access point's IP address. To figure out which is the case, try pinging the access point's IP address from a wireless client.
[November 19, 2002, 11:02]
KPMG issues stark warning over VoIP
News The new whitepaper entitled "Voice-over-IP -- decipher and decide" warns that organisations who that fail to fully understand and address risks associated with VoIP could find their security compromised.
[October 28, 2004, 11:19]
20 things you didn't know about XP review
Reviews Under the RCTICKET attribute will be a NAT IP address, like 192.168.1.10. Replace this with your chum's real IP address -- they can find this out by going to www.whatismyip.com -- and get them to make sure that they've got port 3389 open on their...
[October 30, 2001, 14:32]
Microsoft 'frightened' by police XP hack
News Getting onto the unsecured wireless network, pinging possible IP addresses of other computers on the network, finding Andy's unpatched computer, scanning open ports for vulnerabilities, using the attack tool to build an exploit, and using the...
[November 13, 2007, 10:26]
Protocol analysers are good for admin work
News The best way to halt usage of such applications is to download the applications onto a test workstation and have a protocol analyser watch for traffic going to and coming from the IP address of the test workstation.
[April 18, 2002, 16:14]
