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 Topic: TLS 1.2 vs 1.3 problem |
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sailor
Joined: 17 Apr 2015
Posts: 82
Location: US
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 Posted: Thu 05 Oct '23 19:31 Post subject: TLS 1.2 vs 1.3 problem |
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I have updated my SSL certificates from one provider to another for cost reasons. IT's not LE.
I had this in my config:
| Quote: | # from https://cipherli.st/
#SSLCipherSuite EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH
#SSLProtocol All -SSLv2 -SSLv3 -TLSv1 -TLSv1.1
#SSLOptions +StrictRequire +StdEnvVars -ExportCertData
#SSLProtocol -all +TLSv1.2 +TLSv1.3
#SSLCompression Off
#SSLHonorCipherOrder On
#SSLCipherSuite SSL ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES256-GCM-SHA384
#SSLCipherSuite TLSv1.3 TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384 |
Shortly after restarting, my monitoring service began failing. Support said they don't have TLS 1.3 support yet. Initially, I thought it was the CDN that didn't support TLS 1.3 as that was changed (learned it was the prior week). I ran a Qualys test and sure enough 1.2 was not enabled.
Oddly another host on the same server had a slightly different config (which was using the new SSL provider successfully). So, I changed to this one:
| Code: | SSLCipherSuite EECDH+AESGCM:EDH+AESGCM:AES256+EECDH:AES256+EDH
SSLProtocol All -SSLv2 -SSLv3 -TLSv1 -TLSv1.1
SSLHonorCipherOrder On
SSLOpenSSLConfCmd ECDHParameters secp521r1
SSLOpenSSLConfCmd Curves sect571r1:sect571k1:secp521r1:sect409k1:sect409r1:secp384r1:sect283k1:sect283r1:secp256k1:prime256v1
SSLOpenSSLConfCmd SignatureAlgorithms rsa_pss_rsae_sha512:rsa_pss_rsae_sha256:ECDSA+SHA512:ECDSA+SHA256:RSA+SHA512:RSA+SHA256
SSLOpenSSLConfCmd ClientSignatureAlgorithms rsa_pss_rsae_sha512:rsa_pss_rsae_sha256:ECDSA+SHA512:ECDSA+SHA256:RSA+SHA512:RSA+SHA256 |
As it's production, I kind of don't want to fuss with it too much. I think it's the SSLCipherSuite TLS1.3 that is causing issues. Maybe I need a TLS1.2 version of that with ciphers? |
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James Blond
Moderator
Joined: 19 Jan 2006
Posts: 7371
Location: Germany, Next to Hamburg
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| Posted: Mon 09 Oct '23 11:35 Post subject: |
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My current A+ config v 1.2 and v 1.3
| Code: |
Listen 443
<If "%{SERVER_PORT} == '443'">
<IfModule mod_headers.c>
Header always set Strict-Transport-Security "max-age=31536000; preload"
</IfModule>
</If>
ProtocolsHonorOrder On
Protocols h2 h2c
H2Upgrade on
H2Direct On
H2Push on
TraceEnable Off
SSLUseStapling On
SSLSessionCache shmcb:logs/ssl_gcache_data(512000)
SSLStaplingCache shmcb:logs/ssl_stapling_data(512000)
SSLOptions +StrictRequire +StdEnvVars -ExportCertData
SSLProtocol -all +TLSv1.2 +TLSv1.3
SSLCompression Off
SSLHonorCipherOrder On
SSLCipherSuite SSL ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-RSA-AES256-GCM-SHA384
SSLCipherSuite TLSv1.3 TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384
SSLOpenSSLConfCmd DHParameters "conf/8192.key"
SSLOpenSSLConfCmd ECDHParameters secp521r1
SSLOpenSSLConfCmd Curves secp521r1:secp384r1
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