Subject: RE: strange problem with unclean shutdown

From: [email-masked]
Date: Thu, 24 Jan 2002 14:55:19 -0000

>-----Original Message-----
>From: Andreas Gietl [mailto:[email-masked]]
>Sent: 23 January 2002 18:13
>To: [email-masked]
>Subject: strange problem with unclean shutdown
>
>
>hi,
>
>i've got a really really strange problem with mod_ssl 
>2.8.5-1.3.22 on Apache 
>1.3.22 with openssl 0.9.6c.
>
>As we all know MSIE needs the unclean-shutdown to sucessfully 
>work with 
>mod_ssl. This is why we add the SetEnvIf for this Browser. 
>(full vhost-config 
>see below). The strange thing is that this for some reason 
>seems not to match 
>IE 5.01 and 5.5.
>This are the user-agent for these browsers:
>
>Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 5.0; DT)
>Mozilla/4.0 (compatible; MSIE 5.01; Windows NT 5.0; DT)
>
>Versions > 6 worked. Others not tested.
>
>The certificate is issued let's say for www.defaulthost.de. 
>And not it is 
>really getting unbelievable:
>if i connect to defaulhost.de it's doing the unclean-shutdown and to 
>www.defaulhost.de it is doing a standard-shutdown, which does not work.
>Connecting to www.defaulhost.de does give the ie 
>standard-error-page. There's 
>no HTTP-Request in the access_log, just in the SSLLog an entry that it 
>connected and quited with standard shutdown.
>
>Any ideas?
>
>Andreas
>
>Here's the config:
>
>#
># Global SSL
>#
>
>AddType application/x-x509-ca-cert .cer
>AddType application/x-pkcs7-crl    .crl
>
>#SSLPassPhraseDialog     builtin
>SSLSessionCache        dbm:/tmp/ssl_scache
>SSLSessionCacheTimeout  100
>#SSLMutex  file:domlogs/ssl_mutex
>#SSLRandomSeed startup builtin
>#SSLRandomSeed connect builtin
>
>#SSLLog      domlogs/ssl_engine_log
>#SSLLogLevel debug
>
># SSL - Virtual-Host
>
><VirtualHost XXXXXXX:443>
>ServerName www.defaulthost.de
>ServerAdmin [email-masked]
>DocumentRoot /home/defaulthost/public_html
>
>SSLEngine on
>
>SSLCipherSuite 
>ALL:!ADH:!EXP56:RC4+RSA:+HIGH:+MEDIUM:+LOW:+SSLv2:+EXP:+eNULL
>
>ErrorLog domlogs/defaulthost.errors.https
>CustomLog domlogs/defaulthost.de.ssl combined
>SetEnvIf User-Agent "MSIE" nokeepalive ssl-unclean-shutdown 
>downgrade-1.0 
>force-response-1.0
>
>CustomLog domlogs/defaulthost.de.ssl_request_log \
>        "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"
>
>SSLCertificateFile /usr/local/apache/conf/cert/www.defaulthost.de.cer
>SSLCertificateKeyFile 
>/usr/local/apache/conf/cert/www.defaulthost.de.key
>ScriptAlias /cgi-bin/ /home/defaulhost/public_html/cgi-bin/
></VirtualHost>
>
I notice that you are using the dbm ssl session cache. What happens if you
try the shm ssl session cache? Some people have reported that things start
working after using shm.

- 
John Airey
Internet systems support officer, ITCSD, Royal National Institute for the
Blind,
Bakewell Road, Peterborough PE2 6XU,
Tel.: +44 (0) 1733 375299 Fax: +44 (0) 1733 370848 [email-masked] 

Agnostic (Greek) = Ignoramus (Latin)

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