[squid-users] "ACCESS DENIED" page by ssl_bump terminate

Alexandr Yatskin yatskin at wipline.ru
Mon Mar 28 05:59:53 UTC 2016


Directive "deny_info" didn't work when we blocked https site with option 
"ssl_bump".
Maybe, is there another method?

--------------------------------------------------------------------
acl blocked_https ssl::server_name  "/etc/squid/blocked_https.txt"
acl step1 at_step SslBump1
ssl_bump peek step1

deny_info http://www.example.com blocked_https
ssl_bump terminate blocked_https
--------------------------------------------------------------------


25.03.2016 17:14, Yuri Voinov пишет:
>
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> #  TAG: deny_info
> #    Usage:   deny_info err_page_name acl
> #    or       deny_info http://... acl
> #    or       deny_info TCP_RESET acl
> #
> #    This can be used to return a ERR_ page for requests which
> #    do not pass the 'http_access' rules.  Squid remembers the last
> #    acl it evaluated in http_access, and if a 'deny_info' line exists
> #    for that ACL Squid returns a corresponding error page.
> #
> #    The acl is typically the last acl on the http_access deny line which
> #    denied access. The exceptions to this rule are:
> #    - When Squid needs to request authentication credentials. It's then
> #      the first authentication related acl encountered
> #    - When none of the http_access lines matches. It's then the last
> #      acl processed on the last http_access line.
> #    - When the decision to deny access was made by an adaptation service,
> #      the acl name is the corresponding eCAP or ICAP service_name.
> #
> #    NP: If providing your own custom error pages with error_directory
> #        you may also specify them by your custom file name:
> #        Example: deny_info ERR_CUSTOM_ACCESS_DENIED bad_guys
> #
> #    By defaut Squid will send "403 Forbidden". A different 4xx or 5xx
> #    may be specified by prefixing the file name with the code and a 
> colon.
> #    e.g. 404:ERR_CUSTOM_ACCESS_DENIED
> #
> #    Alternatively you can tell Squid to reset the TCP connection
> #    by specifying TCP_RESET.
> #
> #    Or you can specify an error URL or URL pattern. The browsers will
> #    get redirected to the specified URL after formatting tags have
> #    been replaced. Redirect will be done with 302 or 307 according to
> #    HTTP/1.1 specs. A different 3xx code may be specified by prefixing
> #    the URL. e.g. 303:http://example.com/
> #
> #    URL FORMAT TAGS:
> #        %a    - username (if available. Password NOT included)
> #        %B    - FTP path URL
> #        %e    - Error number
> #        %E    - Error description
> #        %h    - Squid hostname
> #        %H    - Request domain name
> #        %i    - Client IP Address
> #        %M    - Request Method
> #        %o    - Message result from external ACL helper
> #        %p    - Request Port number
> #        %P    - Request Protocol name
> #        %R    - Request URL path
> #        %T    - Timestamp in RFC 1123 format
> #        %U    - Full canonical URL from client
> #              (HTTPS URLs terminate with *)
> #        %u    - Full canonical URL from client
> #        %w    - Admin email from squid.conf
> #        %x    - Error name
> #        %%    - Literal percent (%) code
> #
> #Default:
> # none
>
> ?
>
> 25.03.16 16:15, Alexandr Yatskin пишет:
> > Hello everyone! > How redirect users to "Access Denied" page when they go to blocked 
> https sites? > Now users only can see such error: 
> "ERR_CONNECTION_CLOSED". > > There are several lines from our config: 
> > ------------------------------------------ > acl blocked_https 
> ssl::server_name "/etc/squid/blocked_https.txt" > ssl_bump terminate 
> blocked_https > ------------------------------------------ > Thanks in 
> advance. > > > > _______________________________________________ > 
> squid-users mailing list > squid-users at lists.squid-cache.org > 
> http://lists.squid-cache.org/listinfo/squid-users
>
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>
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