Month: October 2008

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HTTP return code

  • 200 : request completed
  • 201 : object created, reason = new URI
  • 202 : async completion (TBS)
  • 203 : partial completion
  • 204 : no info to return
  • 205 : request completed, but clear form
  • 206 : partial GET furfilled
  • 300 : server couldn’t decide what to return
  • 301 : object permanently moved
  • 302 : object temporarily moved
  • 303 : redirection w/ new access method
  • 304 : if-modified-since was not modified
  • 305 : redirection to proxy, location header specifies proxy to use
  • 307 : HTTP/1.1: keep same verb
  • 400 : invalid syntax
  • 401 : access denied
  • 402 : payment required
  • 403 : request forbidden
  • 404 : object not found
  • 405 : method is not allowed
  • 406 : no response acceptable to client found
  • 407 : proxy authentication required
  • 408 : server timed out waiting for request
  • 409 : user should resubmit with more info
  • 410 : the resource is no longer available
  • 411 : the server refused to accept request w/o a length
  • 412 : precondition given in request failed
  • 413 : request entity was too large
  • 414 : request URI too long
  • 415 : unsupported media type
  • 500 : internal server error
  • 501 : required not supported
  • 502 : error response received from gateway
  • 503 : temporarily overloaded
  • 504 : timed out waiting for gateway
  • 505 : HTTP version not supported
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[Cisco] IOS – “Diff” running-config

Sometime people does changes on switches and forget to use the write command. Then you login, make your changes and before making wr tape the following:

show archive config differences nvram:startup-config system:running-config

Because you’re a conscientious admin 😉
Lines preceded with “+” are only found in the running-config. Lines preceded with “-” are absent from the running-config.

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[DRAC] Access through an SSH tunnel

In order to access to all DRAC features through an SSH Tunnel, you need to forward ports TCP 443, 5900 and 5901:

# sudo ssh -L 443:10.10.22.167:443 -L 5900:10.10.22.167:5900 -L 5901:10.10.22.167:5901 root@foobar_vm.foo.fr
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[Apache] LogFormat with X-Forwarded-For

If you use apache behind a reverse-proxy you need to modify the combined log format to use the X-forwarded-For header. Simply replace:

LogFormat "%h %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined

by

LogFormat "%{X-Forwarded-For}i %l %u %t \"%r\" %>s %b \"%{Referer}i\" \"%{User-Agent}i\"" combined