08-28-2010
Wireshark TCP and HTTP question.
Hello all.
This is my first post and thank you for your forum.
Here is my question.
I have a simple setup at home and I was capturing some data with wireshark.
Data between a workstation and the web server, requesting a page.
Simple enough.
Now when I open wireshark, I apply the TCP only filter for both capture live data and for display data but on the display window I am also getting HTTP along with TCP.
I just need to view TCP, so I can understand sequencing, headers and so forth.
HTTP is at the application layer, why am I seeing it here? I am confused.
Help?
Here is a screenshot.
http://img685.imageshack.us/img685/1433/capturecb.jpg
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LEARN ABOUT DEBIAN
cal::dav
Cal::DAV(3pm) User Contributed Perl Documentation Cal::DAV(3pm)
NAME
Cal::DAV - a CalDAV client
SYNOPSIS
my $cal = Cal::DAV->new( user => $user, pass => $pass, url => $url);
# the ics data will be fetched automatically if it's there
# ... or you can parse some ics
$cal->parse(filename => $data);
# cal now has all the methods of Data::ICal
# you can now monkey around with the object
# saves the updated calendar
$cal->save;
# deletes the calendar
$cal->delete;
# lock the file on the server
$cal->lock;
# unlock the file on the server
$cal->unlock
# steal the lock
$cal->steal_lock;
# also
$cal->forcefully_unlock_all
# and
$cal->lockdiscovery
# resyncs it with the server
$cal->get;
# Get the underlying HTTP::DAV object
my $dav = $cal->dav;
DESCRIPTION
"Cal::DAV" is actually a very thin wrapper round "HTTP::DAV" and "Data::ICal" but it may gain more functionality later and, in the mean
time, serves as something that
TESTING
In order to test you need to define three environment variables: "CAL_DAV_USER", "CAL_DAV_PASS" and "CAL_DAV_URL_BASE" which points to a
DAV collection that the user supplied has write permissions for.
It should be noted that, at the moment, I'm having problems finding a CalDAV server that allows me to create files and so I can't run all
the tests.
METHODS
new <arg[s]>
Must have at least "user", "pass" and "url" args where "url" is the url of a remote, DAV accessible ".ics" file.
Can optionally take an "auto_commit" option. See "auto_commit()" method below.
parse <arg[s]>
Make a new calendar object using same arguments as "Data::ICal"'s "new()" or "parse()" methods.
Does not auto save for you.
Returns 1 on success and 0 on failure.
save [url]
Save the calendar back to the server (or optionally to another path).
Returns 1 on success and 0 on failure.
delete [url]
Delete the file on the server or optionally another url.
Returns 1 on success and 0 on failure.
get [url]
Refetch the file from the sever to sync it -
Alternatively fetch an alternative url.
These will lose any local changes.
lock
Same options as "HTTP::DAV"'s "unlock".
unlock
Same options as "HTTP::DAV"'s "unlock".
steal_lock
Same options as "HTTP::DAV"'s "steal_lock".
lockdiscovery
Same options as "HTTP::DAV::Response"'s "lockdiscovery".
forcefully_unlock_all
Same options as "HTTP::DAV::Response"'s "forcefully_unlock_all".
dav [HTTP::DAV]
Get the underlying "HTTP::DAV" object or, alterntively, replace it with a a new one.
cal
Get the underlying cal object
auto_commit [boolean]
Whether to auto save on desctruction or not.
Defaults to 0.
message
Same as "HTTP::DAV"'s "message" function.
errors
Same as "HTTP::DAV"'s "errors" function.
AUTHOR
Simon Wistow <simon@thegestalt.org>
COPYRIGHT
Copyright 2007, Simon Wistow
Released under the same terms as Perl itself.
SEE ALSO
HTTP::DAV
Data::ICal
http://tools.ietf.org/html/rfc4791
perl v5.12.3 2011-05-08 Cal::DAV(3pm)