traffic_via

Synopsis

traffic_via [OPTIONS] [VIA …]

Description

traffic_via decodes the Traffic Server Via header codes. Via header strings are passed as command-line options. The enclosing square brackets are optional.

If the argument is ‘-‘, traffic_via will filter standard input for Via headers. This modes supports only supports Via headers that are enclosed by square brackets.

Options

-h, --help

Print usage information and exit.

-V, --version

Print version.

Examples

Decode the Via header from command-line arguments:

$ traffic_via "[uScMsEf p eC:t cCMi p sF]"
Via header is uScMsEf p eC:t cCMi p sF, Length is 24
Via Header Details:
Request headers received from client                   :simple request (not conditional)
Result of Traffic Server cache lookup for URL          :miss (a cache "MISS")
Response information received from origin server       :error in response
Result of document write-to-cache:                     :no cache write performed
Proxy operation result                                 :unknown
Error codes (if any)                                   :connection to server failed
Tunnel info                                            :no tunneling
Cache Type                                             :cache
Cache Lookup Result                                    :cache miss (url not in cache)
Parent proxy connection status                         :no parent proxy or unknown
Origin server connection status                        :connection open failed

Decode the Via header from a curl request, using the X-Debug plugin:

$ curl -H  "X-Debug: Via" -I http://test.example.com | traffic_via -
Via header is uScMsSf pSeN:t cCMi p sS, Length is 24
Via Header Details:
Request headers received from client                   :simple request (not conditional)
Result of Traffic Server cache lookup for URL          :miss (a cache "MISS")
Response information received from origin server       :connection opened successfully
Result of document write-to-cache:                     :no cache write performed
Proxy operation result                                 :served or connection opened successfully
Error codes (if any)                                   :no error
Tunnel info                                            :no tunneling
Cache Type                                             :cache
Cache Lookup Result                                    :cache miss (url not in cache)
Parent proxy connection status                         :no parent proxy or unknown
Origin server connection status                        :connection opened successfully