The tools include:
- Browser Sniffer
- Web-based Dig
- IP Calculator
- Probe Remote Host
- Online Quizzes
- TCP Dump Interpreter
- Terms and Definitions
- Online Whois Tool
- Fingerprint Remote Host
- Online Traceroute
I tried the browser sniffer, and the script ran an impressive array of tests. It is quite scary what a sniffer can discover from a GUI browser running on a Microsoft machine.
Dig (domain information groper) is the well-known DNS-lookup utility. IP calculator is for netmasks. Probe remote host, offers information on Domain/Network and DNS records. It also offers Port scan and Traceroute.
I tried nslookup on my site:
After the problems that had been reported by Steve (in Canberra) I tried Tracerouting to www.pgts.com.au from RingOfSaturn using TCP packets...
1 hyperion.ringofsaturn.com (126.96.36.199) 16.938 ms 16.869 ms 16.893 ms 2 ge-7-1-205.core1.Dallas1.Level3.net (188.8.131.52) 17.086 ms 17.126 ms 16.972 ms 3 ae-1-53.bbr1.Dallas1.Level3.net (184.108.40.206) 17.202 ms 17.234 ms 17.171 ms 4 so-6-0-0.edge1.Dallas1.Level3.net (220.127.116.11) 17.481 ms 17.276 ms 17.452 ms 5 sprint-level3-oc48.Dallas1.Level3.net (18.104.22.168) 17.443 ms 17.533 ms 17.812 ms 6 sl-bb27-fw-5-0.sprintlink.net (22.214.171.124) 19.356 ms 18.762 ms 18.762 ms 7 sl-bb24-fw-14-0.sprintlink.net (126.96.36.199) 18.803 ms 18.733 ms 18.787 ms 8 sl-bb25-ana-8-0.sprintlink.net (188.8.131.52) 49.708 ms 49.103 ms 49.048 ms 9 sl-bb23-ana-15-0.sprintlink.net (184.108.40.206) 49.089 ms 49.051 ms 49.493 ms 10 sl-bb25-sj-9-0.sprintlink.net (220.127.116.11) 59.884 ms 59.812 ms 59.857 ms 11 sl-bb22-sj-12-0.sprintlink.net (18.104.22.168) 60.300 ms 60.044 ms 62.032 ms 12 sl-bb21-syd-14-2.sprintlink.net (22.214.171.124) 209.407 ms 208.869 ms 209.001 ms 13 sl-gw10-syd-15-0.sprintlink.net (126.96.36.199) 208.745 ms 208.766 ms 208.870 ms 14 sla-tpg1-1-0.sprintlink.net (188.8.131.52) 217.076 ms 216.956 ms 223.291 ms 15 * * * 16 * * * 17 nme-ibo-tit-2-fe-0-0.tpgi.com.au (184.108.40.206) 230.660 ms 229.677 ms 230.008 ms 18 * * * 19 * * * 20 203-213-19-22-vic.tpgi.com.au (220.127.116.11) 247.570 ms 247.519 ms 262.198 ms 21 203-213-17-10-vic.tpgi.com.au (18.104.22.168) [open] 247.545 ms 247.502 ms 248.516 ms
All looks ok to me ... bit slow ... but ok? The online quizzes consists of 19 tests on:
- Basic HTML
- Building Cisco Mulitlayer Switched Networks (BCMSN)
- Building Cisco Remote Access Networks (BCRAN)
- Building Scalable Cisco Internetworks (BSCI)
- Building Scalable Cisco Networks (BSCN)
- CCNA Practice Quiz 1
- CCNA Practice Test
- Cisco Internetwork Design
- Cisco Internetwork Troubleshooting
- Designing Cisco Networks (DCN)
- International Domains
- Mutt and PGP
- Subnetting Class B
- Subnetting Class C
- Unix Commands
- Using Traceroute
- Whois, Dig, and Nslookup
The tests on Cisco look very tough, or at least they do to someone who like me who knows very little about Cisco routers. I took the test on Subnetting class B and got 90%. (oops -- I didn't know the answer to the last question -- oh well I am a self-taught network administrator) Most embarrassingly I only got 90% on the "vi" test (I clicked on the wrong box -- even though I knew the correct answer. Typical for someone who is over-confident!)
This is a very good site, and obviously built by an experienced administrator. I heartily commend it to anyone who is looking for robust, fast online network tools. It happens occasionally ...
I'd love to be able to say that http://networking.ringofsaturn.com/Tools was W3C, but sadly, they did not pass.
But while I was surfing I came across a blog called Postneo 2.0, by Matt Croydon. This, while I was surfing for blogs to give me a few ideas. Great blog, well maintained and current. It gives me something to aim for ... I don't know how he finds the time though. Also he may have found the right niche (Apple) In the meantime, I will add it to my list of bookmarks.
Also for those who really want to "Get The Facts", you could start here for Novell's counter-punch to the Microsoft "Get The Facts" FUD.