[CentOS] strange su behavior

Wed Mar 10 17:12:11 UTC 2010
Uwe Kiewel <ml at kiewel-online.ch>

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Am 09.03.2010 22:22, schrieb Tom H:
>>>>> Do you have any sudo call from your /etc or /etc/skel bashrc or profile...?
>>>> Yes, I do have in /etc/bashrc:
>>>> sudo -l
>>> Unless you already understood:
>>>   su -  "make the shell a login shell"
>>>   so sudo -l  in bashrc is executed, which asks for the user's password
>> Understood, who is asking - not understood why "sudo -l" is asking for
>> the password and why just hitting the enter key works
> 
> sudo -l
> lists the commands that you are allowed to run with sudo

That is clear to me, but why does this command request the password?
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