Re: ERROR: Unsupported TLS option SINGLE_ECDH_USE

[Jonathan Lee <jonathanlee571@xxxxxxxxx>]

More details for Unsupported TLS option

When running squid -k parse

2024/07/05 08:40:43| Processing: http_port 192.168.1.1:3128 ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=20MB cert=/usr/local/etc/squid/serverkey.pem cafile=/usr/local/share/certs/ca-root-nss.crt capath=/usr/local/share/certs/ cipher=EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH+aRSA+RC4:EECDH:EDH+aRSA:HIGH:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS tls-dh=prime256v1:/etc/dh-parameters.2048 options=NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE
2024/07/05 08:40:43| UPGRADE WARNING: 'cafile=/usr/local/share/certs/ca-root-nss.crt' is deprecated in http_port. Use 'tls-cafile=' instead.
2024/07/05 08:40:47| ERROR: Unsupported TLS option SINGLE_DH_USE
2024/07/05 08:40:47| ERROR: Unsupported TLS option SINGLE_ECDH_USE
2024/07/05 08:40:47| Processing: http_port 127.0.0.1:3128 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=20MB cert=/usr/local/etc/squid/serverkey.pem cafile=/usr/local/share/certs/ca-root-nss.crt capath=/usr/local/share/certs/ cipher=EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH+aRSA+RC4:EECDH:EDH+aRSA:HIGH:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS tls-dh=prime256v1:/etc/dh-parameters.2048 options=NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE
2024/07/05 08:40:47| Starting Authentication on port 127.0.0.1:3128
2024/07/05 08:40:47| Disabling Authentication on port 127.0.0.1:3128 (interception enabled)
2024/07/05 08:40:47| UPGRADE WARNING: 'cafile=/usr/local/share/certs/ca-root-nss.crt' is deprecated in http_port. Use 'tls-cafile=' instead.
2024/07/05 08:40:51| ERROR: Unsupported TLS option SINGLE_DH_USE
2024/07/05 08:40:51| ERROR: Unsupported TLS option SINGLE_ECDH_USE
2024/07/05 08:40:51| Processing: https_port 127.0.0.1:3129 intercept ssl-bump generate-host-certificates=on dynamic_cert_mem_cache_size=20MB cert=/usr/local/etc/squid/serverkey.pem cafile=/usr/local/share/certs/ca-root-nss.crt capath=/usr/local/share/certs/ cipher=EECDH+ECDSA+AESGCM:EECDH+aRSA+AESGCM:EECDH+ECDSA+SHA384:EECDH+ECDSA+SHA256:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH+aRSA+RC4:EECDH:EDH+aRSA:HIGH:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS tls-dh=prime256v1:/etc/dh-parameters.2048 options=NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE
2024/07/05 08:40:51| Starting Authentication on port 127.0.0.1:3129
2024/07/05 08:40:51| Disabling Authentication on port 127.0.0.1:3129 (interception enabled)
2024/07/05 08:40:51| UPGRADE WARNING: 'cafile=/usr/local/share/certs/ca-root-nss.crt' is deprecated in https_port. Use 'tls-cafile=' instead.
2024/07/05 08:40:55| ERROR: Unsupported TLS option SINGLE_DH_USE
2024/07/05 08:40:55| ERROR: Unsupported TLS option SINGLE_ECDH_USE

elliptic curve options are set below and I have inspected the file it is present. 

 tls-dh=prime256v1:/etc/dh-parameters.2048 

On Jul 5, 2024, at 08:35, Jonathan Lee <jonathanlee571@xxxxxxxxx> wrote:

tls_outgoing_options cipher=HIGH:MEDIUM:!RC4:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!SRP:!DSS

tls_outgoing_options options=NO_SSLv3,SINGLE_DH_USE,SINGLE_ECDH_USE

Different thread for ciphers issues

ERROR: Unsupported TLS option SINGLE_ECDH_USE

I found researching in lists-squid-cache.org that someone solved this error with appending TLS13-AES-256-CGM-SHA384 to the ciphers. 

I am thinking this is my issue also.

I see that error over and over when I run "squid -k parse”

Do I append this to the options cipher list?

Does anyone know how to fix the 2 diffie-hellman key exchange algorithm errors?

Jonathan Lee

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