Networking Tips
From Briki
DNS Records
| Left field | Type | Right field |
|---|---|---|
| vaio | a | 80.229.88.237 |
| alaska | a | 80.229.88.236 |
| network | a | 80.229.88.232 |
| bretts.org. | a | 80.229.88.233 |
| colorado | a | 80.229.88.235 |
| router | a | 80.229.88.234 |
| dougal | a | 80.229.88.238 |
| broadcast | a | 80.229.88.239 |
| wiki | cname | bretts.org. |
| jabber | cname | bretts.org. |
| www | cname | bretts.org. |
| svn | cname | bretts.org. |
| mythweb | cname | bretts.org. |
| pics | cname | bretts.org. |
| admin | cname | bretts.org. |
| music | cname | bretts.org. |
| irc | cname | bretts.org. |
| ftp | cname | bretts.org. |
| cname | bretts.org. |
OSI 7 Layer Model
| # | Layer | Example(s) | Postal service equivalent |
|---|---|---|---|
| 7 | Application | HTTP, BitTorrent | Message language, eg. English |
| 6 | Presentation | SSL | Encryption of message |
| 5 | Session | NetBIOS, "Graceful close" for TCP" | |
| 4 | Transport | TCP | Recipient name (eg. Fred Bloggs) |
| 3 | Network | IP, ICMP | Recipient address |
| 2 | Data Link | Ethernet, 802.11 | Envelope |
| 1 | Physical | 100BASE-TX, 802.11g, ADSL | Post van |
For more details, see: http://en.wikipedia.org/wiki/OSI_model
