[squid-users] Need assistance debugging Squid error: ssl_ctrd helpers crashing too quickly

Rohit Sodhia sodhia.rohit at gmail.com
Mon Sep 11 20:05:03 UTC 2017


I'll try to find it, but I read a few articles/SO questions that suggested
there were bugs in 4 relating to SSL bumping? If they were wrong, I'd be
glad to go forward. Should I be removing the yum squid package and compile
my own? Is 3.5 problematic besides being old?

On Mon, Sep 11, 2017 at 4:02 PM, Yuri <yvoinov at gmail.com> wrote:

> Wait. Squid 3.5.20? So ancient?
>
> 12.09.2017 1:58, Rohit Sodhia пишет:
>
> sslcrtd_program /usr/lib64/squid/ssl_crtd -s /var/lib/ssl_db -M 4MB
>
> I used the line from the Stack Overflow question I linked earlier.
>
> On Mon, Sep 11, 2017 at 3:41 PM, Yuri <yvoinov at gmail.com> wrote:
>
>> Well. Let's check more deep.
>>
>> Show me parameter sslcrtd_program in your squid.conf
>>
>> 12.09.2017 1:23, Rohit Sodhia пишет:
>>
>> Unfortunately, no luck yet. Thank you again for your help before.
>>
>> I found that the user squid and group squid existed already, so I added
>>
>> cache_effective_user squid
>> cache_effective_group squid
>>
>> to my config (first two lines), made sure /var/lib/ssl_db and it's
>> contents were set to squid:squid and restarted the service, but I'm still
>> getting the same error :(
>>
>> On Mon, Sep 11, 2017 at 2:42 PM, Rohit Sodhia <sodhia.rohit at gmail.com>
>> wrote:
>>
>>> I'll try that immediately, thanks! I appreciate all your advice;
>>> hopefully I won't have to reach out again :p
>>>
>>> On Mon, Sep 11, 2017 at 2:39 PM, Yuri <yvoinov at gmail.com> wrote:
>>>
>>>> I'm not Linux fanboy, but modern squid never runs as root. So, most
>>>> probably it runs as nobody user.
>>>>
>>>> Ah, yes:
>>>>
>>>> #  TAG: cache_effective_user
>>>> #    If you start Squid as root, it will change its effective/real
>>>> #    UID/GID to the user specified below.  The default is to change
>>>> #    to UID of nobody.
>>>> #    see also; cache_effective_group
>>>> #Default:
>>>> # cache_effective_user nobody
>>>>
>>>> #  TAG: cache_effective_group
>>>> #    Squid sets the GID to the effective user's default group ID
>>>> #    (taken from the password file) and supplementary group list
>>>> #    from the groups membership.
>>>> #
>>>> #    If you want Squid to run with a specific GID regardless of
>>>> #    the group memberships of the effective user then set this
>>>> #    to the group (or GID) you want Squid to run as. When set
>>>> #    all other group privileges of the effective user are ignored
>>>> #    and only this GID is effective. If Squid is not started as
>>>> #    root the user starting Squid MUST be member of the specified
>>>> #    group.
>>>> #
>>>> #    This option is not recommended by the Squid Team.
>>>> #    Our preference is for administrators to configure a secure
>>>> #    user account for squid with UID/GID matching system policies.
>>>> #Default:
>>>> # Use system group memberships of the cache_effective_user account
>>>>
>>>> As documented. :)
>>>>
>>>> AFAIK best solution is create non-privileged group & user (like
>>>> squid/squid) and set both this parameters explicity.
>>>>
>>>> Then change owner recursively on SSL cache to this user.
>>>>
>>>> 12.09.2017 0:36, Rohit Sodhia пишет:
>>>>
>>>> Neither of those values are set in my config. Even though I'm not using
>>>> squid for caching, I need those values? They aren't set in the default
>>>> configs either.
>>>>
>>>> On Mon, Sep 11, 2017 at 2:33 PM, Yuri <yvoinov at gmail.com> wrote:
>>>>
>>>>> Most probably you squid runs as another user than squid.
>>>>>
>>>>> Check your squid.conf for cache_effective_user and
>>>>> cache_effective_group values.
>>>>>
>>>>> Then change SSL cache permissions to this values. Should work.
>>>>>
>>>>> 12.09.2017 0:30, Rohit Sodhia пишет:
>>>>>
>>>>> Thanks for the feedback! I just used yum (it's a CentOS 7 VB) and it
>>>>> set it up like that. I changed the owner and group to squid:squid and tried
>>>>> restarting squid, but still get the same errors. I thought to run the
>>>>> command again, but this time it says
>>>>>
>>>>> /usr/lib64/squid/ssl_crtd: Cannot create /var/lib/ssl_db
>>>>>
>>>>> If this folder has incorrect permissions are there possibly other
>>>>> permission issues?
>>>>>
>>>>> On Mon, Sep 11, 2017 at 2:25 PM, Yuri <yvoinov at gmail.com> wrote:
>>>>>
>>>>>> Here you root of problem.
>>>>>>
>>>>>> Should be (on my setups):
>>>>>>
>>>>>> # ls -al /var/lib/ssl_db
>>>>>> total 326
>>>>>> drwxr-xr-x 3 squid squid      5 Sep  5 00:53 .
>>>>>> drwxr-xr-x 8 root  other      8 Sep  5 00:53 ..
>>>>>> drwxr-xr-x 2 squid squid    454 Sep 11 23:37 certs
>>>>>> -rw-r--r-- 1 squid squid 280575 Sep 11 23:37 index.txt
>>>>>> -rw-r--r-- 1 squid squid      7 Sep 11 23:37 size
>>>>>>
>>>>>> I.e. Squid has no access to SSL cache dir structures.
>>>>>>
>>>>>> 12.09.2017 0:23, Rohit Sodhia пишет:
>>>>>>
>>>>>> total 8
>>>>>> drwxr-xr-x.  3 root root   48 Sep 11 12:42 .
>>>>>> drwxr-xr-x. 32 root root 4096 Sep 11 12:42 ..
>>>>>> drwxr-xr-x.  2 root root    6 Sep 11 12:42 certs
>>>>>> -rw-r--r--.  1 root root    0 Sep 11 12:42 index.txt
>>>>>> -rw-r--r--.  1 root root    1 Sep 11 12:42 size
>>>>>>
>>>>>>
>>>>>> On Mon, Sep 11, 2017 at 2:22 PM, Yuri <yvoinov at gmail.com> wrote:
>>>>>>
>>>>>>> Show output of
>>>>>>>
>>>>>>> ls -al /var/lib/ssl_db
>>>>>>>
>>>>>>> 12.09.2017 0:21, Rohit Sodhia пишет:
>>>>>>>
>>>>>>> Yes, but telling me it's crashing unfortunately doesn't help me
>>>>>>> figure out why or how to fix it. I've run the command it suggests but it
>>>>>>> doesn't help. I'm unfortunately not an ops guy familiar with this kind of
>>>>>>> stuff; I don't see anything on how to figure out what to do about it.
>>>>>>>
>>>>>>> On Mon, Sep 11, 2017 at 2:17 PM, Yuri <yvoinov at gmail.com> wrote:
>>>>>>>
>>>>>>>> It tells you what's happens.
>>>>>>>>
>>>>>>>>
>>>>>>>> 11.09.2017 23:50, Rohit Sodhia пишет:
>>>>>>>> > (ssl_crtd): Uninitialized SSL certificate database directory:
>>>>>>>> > /var/lib/ssl_db. To initialize, run "ssl_crtd -c -s
>>>>>>>> /var/lib/ssl_db".
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> _______________________________________________
>>>>>>>> squid-users mailing list
>>>>>>>> squid-users at lists.squid-cache.org
>>>>>>>> http://lists.squid-cache.org/listinfo/squid-users
>>>>>>>>
>>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>>
>
>
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