[squid-users] Re: Incompatibilities between Samba and Squid

From: Norman Zhang <norman.zhang@dont-contact.us>
Date: Fri, 11 Jun 2004 13:33:28 -0700

Adam Aube wrote:
> Norman Zhang wrote:
>>I'm running Squid-2.5.STABLE4-1.100mdk with samba-server-3.0.2a-3mdk.
>>When I tried to go the internet, I see the following in /var/log/syslog
>
>>Jun 9 17:06:07 proxy (squid): authenticateNTLMHandleReply: called with
>>no result string
>>Jun 9 17:06:07 proxy squid[1571]: Squid Parent: child process 2617
>>exited due to signal 6
>
>>auth_param ntlm program /usr/lib/squid/wb_ntlmauth
>>external_acl_type NT_global_group %LOGIN /usr/lib/squid/wb_group
>
> Those are the NTLM and group helpers you use with Samba 2.2.x. For Samba 3
> you need to use Samba's built-in ntlm_auth helper for basic/NTLM auth and
> the wbinfo_group group helper (which comes with Squid).

Thanks. I have switched to /usr/lib/ntlm_auth, but I can't find
wbinfo_group but only wb_group with squid-2.5.STABLE4. May I ask what am
I missing?

[root@proxy squid]# slocate ntlm_auth
/usr/share/man/man1/ntlm_auth.1.bz2
/usr/share/doc/squid-2.5.STABLE4/README.no_check_ntlm_auth
/usr/share/swat/help/ntlm_auth.1.html
/usr/bin/ntlm_auth
/usr/lib/squid/ntlm_auth

[root@proxy squid]# rpm -q squid
squid-2.5.STABLE4-1.100mdk
[root@proxy squid]# rpm -q samba-server
samba-server-3.0.2a-3mdk

[root@proxy squid]# ls /usr/lib/squid/
cachemgr.cgi* fakeauth_auth* ncsa_auth* smb_auth.pl* wb_auth*
digest_pw_auth* getpwname_auth* ntlm_auth* smb_auth.sh* wb_group*
diskd* icons/ pam_auth* squid_ldap_auth* wb_ntlmauth*
errors/ msnt_auth* smb_auth* unlinkd* yp_auth*

cache_mgr web.master@arkonnetworks.com
hierarchy_stoplist cgi-bin ?
acl QUERY urlpath_regex cgi-bin \?
no_cache deny QUERY
cache_mem 16 MB
cache_dir ufs /var/spool/squid 200 16 256
cache_peer 127.0.0.1 parent 80 7 default no-query
acl binaries urlpath_regex -i \.exe$ \.zip$ \.vbs$ \.gz$
cache_peer_access 127.0.0.1 allow binaries
never_direct allow binaries

ftp_user squid@test.com
#auth_param ntlm program ntlm_auth --helper-protocol=squid-2.5-ntlmssp
#auth_param basic program ntlm_auth --helper-protocol=squid-2.5-basic
auth_param ntlm program /usr/bin/ntlm_auth
auth_param ntlm children 5
auth_param ntlm max_challenge_reuses 0
auth_param ntlm max_challenge_lifetime 2 minutes

external_acl_type NT_global_group %LOGIN /usr/lib/squid/wb_group

acl ProxyUsers external NT_global_group ProxyUsers
acl authusrs proxy_auth REQUIRED
acl all src 0.0.0.0/0.0.0.0
acl manager proto cache_object
acl localhost src 127.0.0.1/255.255.255.255
acl SSL_ports port 443 563
acl Safe_ports port 80 # http
acl Safe_ports port 21 # ftp
acl Safe_ports port 443 563 # https, snews
acl Safe_ports port 70 # gopher
acl Safe_ports port 210 # wais
acl Safe_ports port 1025-65535 # unregistered ports
acl Safe_ports port 280 # http-mgmt
acl Safe_ports port 488 # gss-http
acl Safe_ports port 591 # filemaker
acl Safe_ports port 777 # multiling http
acl webmin port 10000 20000 # webmin, usermin
acl CONNECT method CONNECT
acl localnet dst 192.168.11.0/26 192.168.22.0/25
acl arkonweb dst 207.34.136.4 207.34.136.5 207.34.136.7
acl pdfgrab browser WebCapture
acl realplay browser RealMedia
acl ssread browser SSDOWNLOAD
acl ssread browser SSREADER

http_access allow manager localhost
http_access deny manager
http_access allow CONNECT webmin
http_access deny !Safe_ports
http_access deny CONNECT !SSL_ports
http_access allow localnet
http_access allow arkonweb
http_access allow pdfgrab
http_access allow realplay
http_access allow ssread
http_access allow authusrs ProxyUsers
http_access allow localhost
http_access deny all

icp_access allow all

I'm still seeing the following in /var/log/syslog

Jun 11 13:31:13 proxy winbindd[1354]: [2004/06/11 13:31:13, 0]
nsswitch/winbindd.c:process_loop(726)
Jun 11 13:31:13 proxy winbindd[1354]: process_loop: Invalid request
size from pid 7270: 1304 bytes sent, should be 1568
Jun 11 13:31:13 proxy winbindd[1354]: This usually means that you are
running old wbinfo, pam_winbind or libnss_winbind clients

Regards,
Norman
Received on Fri Jun 11 2004 - 14:33:34 MDT

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