Web-Tools-For-Small-Business-Finances.jpg?resize=200%2C146Web-Tools-For-Small-Business-Finances.jpg?resize=200%2C146There are lots of useful sites which helps the troubleshooting procedures. I listed some common tools or websites used by myself. Please let me know what you are using and I would like to try them and add them into this list.

1. Internet/Network Tools Portal

proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_ping.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_ping.gif&container=blogger&gadget=a&rewriteMime=image%2F*Ping – Shows how long it takes for packets to reach host

proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_traceroute.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_traceroute.gif&container=blogger&gadget=a&rewriteMime=image%2F*Traceroute – Traces the route of packets to destination host from our server
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_dns.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_dns.gif&container=blogger&gadget=a&rewriteMime=image%2F*DNS lookup – Look up DNS record
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_whois.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_whois.gif&container=blogger&gadget=a&rewriteMime=image%2F*WHOIS – Lists contact info for an IP or domain
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_port.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_port.gif&container=blogger&gadget=a&rewriteMime=image%2F*Port check – Tests if port is opened on specified IP
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_reverse_lookup.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_reverse_lookup.gif&container=blogger&gadget=a&rewriteMime=image%2F*Reverse lookup – Gets hostname by IP address
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_proxy.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_proxy.gif&container=blogger&gadget=a&rewriteMime=image%2F*Proxy checker – Detects a proxy server
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_bandwidth.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_bandwidth.gif&container=blogger&gadget=a&rewriteMime=image%2F*Bandwidth meter – Detects your download speed from our server
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_network_calc.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_network_calc.gif&container=blogger&gadget=a&rewriteMime=image%2F*Network calculator – Calculates subnet range by network mask
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_mask_calc.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_mask_calc.gif&container=blogger&gadget=a&rewriteMime=image%2F*Network mask calculator – Calculates network mask by subnet range
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_country_ip.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_country_ip.gif&container=blogger&gadget=a&rewriteMime=image%2F*Country by IP – Detects country by IP or hostname
proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_unit_converter.gif&container=blogger&gadget=a&rewriteMime=image%2F*proxy?url=http%3A%2F%2Fping.eu%2Fimg%2Ficons%2F22_unit_converter.gif&container=blogger&gadget=a&rewriteMime=image%2F*Unit converter – Converts values from one unit to another

DNS checks detailed dns information for a hostname ( www.facebook.com , www.yahoo.com , www.youtube.com )
IP-number checks ip number information such as dns reverse and forwards
route checks a specific routed prefix
AS numbers checks information on an AS-number
AS macros checks who belongs to an AS-macro

2. Speed Test

3. IP Subnet Calculator

4. Network Monitoring Related

5. DNS and Domain Name Related

overview.png?resize=200%2C90&ssl=1overview.png?resize=200%2C90&ssl=1 http://www.dnsstuff.com/ http://my-addr.com/ https://www.whatsmydns.net/ http://www.cloudflare.com – protects and accelerates any website online. CloudFlare is designed to accelerate and secure any website. http://whois.domaintools.com/ – is the leader in domain name, DNS and Internet OSINT-based cyber threat intelligence and cybercrime forensics products and data.
6. BGP Toolkit
BGP+Router+Server.jpg?resize=200%2C117&ssl=1BGP+Router+Server.jpg?resize=200%2C117&ssl=1
Choose any one of servers by clicking the spot and it will bring you to this kind of link:  telnet://route-views.on.bb.telus.com 

route-views.ab>show bgp paths 47102
Address    Hash Refcount Metric Path
0x666C2980 2421        0      0 852 3257 4436 23498 47102 47102 i

route-views.ab>sh ip bgp 199.xxx.xxx.0
BGP routing table entry for 199.xxx.xxx.0/24, version 82108513
Bestpath Modifiers: deterministic-med
Paths: (1 available, best #1)
  Not advertised to any peer
  852 3257 4436 23498 47102 47102
    154.11.98.17 from 154.11.98.17 (154.11.0.71)
      Origin IGP, localpref 100, valid, external, best
      Dampinfo: penalty 1304, flapped 4 times in 00:14:31

7. Your Public IP Address

8. Online Diagram Drawing Sites

9. Snmp tools

10. HTTP and HTTPS Check Tools

11. Email Diagnostic Tools

  • http://mxtoolbox.com/

12. Proxy Sites

  • http://www.vtunnel.com/

13. Remote Support / Online Meeting

14. Remote (SSH / Telnet) Access Tools

15. NTP Server

16. Portable Software


Before you click away to do some heavy network security reading, please leave a comment and share your favourite network and security tools so that I can add them to my list!