Informational/Trace

The following urlcp settings control various informational and trace behaviors:

• badhdrmsgs or badheadermsgs (boolean)
  Whether to issue a putmsg for malformed response headers. Added (and defaults to on) in version 5.01.1102538511 20041208. Returns previous setting.

• charsetmsgs (boolean)
  Whether to issue a putmsg for charset conversion problems. The default is on. Added in version 5.00.1089408135 20040709. Returns previous value.

• cookiemsgs (boolean)
  If true, additional messages are printed when invalid cookies are received and discarded, via the putmsg mechanism (p. ). If false (default), invalid cookies are silently discarded. Returns previous setting. Added in version 4.01.1022000000 20020521. See also the Cookies section (p. ).

• redirmsgs (boolean)
  If true, info messages about redirects will be printed (via the putmsg mechanism). If false (default), such messages are suppressed.

• scriptmsgs (boolean)
  If true, JavaScript errors are printed/logged via the putmsg mechanism (p. ). If false (default), such errors are suppressed. Many JavaScript pages generate errors due to script bugs, or varying execution environments, so this setting is off by default. Turning it on can help isolate JavaScript-related issues on a page. Note that this applies to syntax-type errors from the engine; certain external fatal errors are still reported regardless, such as exceeding resource limits (time/memory/page size). Returns previous setting. Added in version 4.01.1023500000 20020607.

• traceauth (integer)
  Set trace message level for server authorization calls. Unsupported/internal use. Added in version 5.1.

• tracecalls (integer)
  Set trace message level for fetch-related function calls. This is a bitwise OR of integer values indicating which calls to issue messages for:

  • 0x0001: <urlcp> calls

  • 0x0100: Print full arguments (do not truncate)
  Note that these values may change in future releases, as this is a debug setting. Added in version 5.01.1200000000 20080110.

• tracedns (integer)
  Set trace message level for DNS calls. Unsupported/internal use.

• tracescript (integer)
  Set trace message level for JavaScript calls. Unsupported/internal use. Added in version 4.04.1082500000 20040420.

• traceskt (integer)
  Set trace message level for socket calls. Unsupported/internal use.

• verbose (integer)
  Sets the verbosity level; used for debugging. This is a bitwise OR of integer values indicating what network protocol information to print:

  • 1: Responses read

  • 2: Requests sent

  • 4: Headers read

  • 8: Headers sent
  Note: Setting a non-zero verbosity level may also print sensitive data like user/password strings. Previous to version 5.01.1093600000 20040826 the verbose setting was an incrementing integer, 0 to 2.