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Re: Transition from squid3.5 to squid4; ciphers don't work anymore, ERROR: Unknown TLS option SINGLE_DH_USE

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Am Montag, 12. Februar 2018, 14:29:09 CET schrieb chiasa.men:

> Hi I tried squid4.

>

> Squid Cache: Version 4.0.23

> This binary uses OpenSSL 1.1.1-dev xx XXX xxxx

>

> Before, I used:

> Squid Cache: Version 3.5.27

> This binary uses OpenSSL 1.0.2g 1 Mar 2016

>

> Some of the config directives changed:

> E.g.

> sslproxy_options SINGLE_DH_USE,SINGLE_ECDH_USE

> ->

> tls_tls_outgoing_options options=SINGLE_DH_USE,SINGLE_ECDH_USE

>

> But that results in version 4 in the follwing errors (cache.log)

> ERROR: Unknown TLS option SINGLE_DH_USE

> ERROR: Unknown TLS option SINGLE_ECDH_USE

>

> (same error with the same options in https_proxy)

>

> Is that a problem related to the openssl version change?

>

>

> In cache_peer I also have now to configure tls-cafile=/etc/ssl/certs/ca-

> certificates.crt explicitly (I used some self signed certificates for

> testing - but in Squid3 I didn't need to configure that)

> Otherwise I get:

> (71) Protocol error (TLS code: X509_V_ERR_SELF_SIGNED_CERT_IN_CHAIN)

> In the reference it's stated that:

> tls-default-ca[=off]

> Whether to use the system Trusted CAs. Default is ON.

> Shouldn't the tls-cafile option be unnecessary since it's trusted by

> default?

>

>

>

> Furthermore I set Apache (the peer) to "SSLCipherSuite ECDHE-ECDSA-AES256-

> GCM-SHA384"

> as well as cache_peer sslcipher=ECDHE-ECDSA-AES256-GCM-SHA384

>

> ERROR: negotiating TLS on FD 20: error:141A90B5:SSL

> routines:ssl_cipher_list_to_bytes:no ciphers available (1/-1/0)

>

> How can that be?

>

>

>

>

> _______________________________________________

> squid-users mailing list

> squid-users@xxxxxxxxxxxxxxxxxxxxx

> http://lists.squid-cache.org/listinfo/squid-users

 

Any idea?

 

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