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TLS authentication failure when "Signature Algorithm" extensions missing

Troubleshooting


Problem

Handshake fails when the client does not send "signature algorithms" extensions.

Symptom

FTPS6021-TLS-1, fatal error: 40: no cipher suites in common
>  javax.net.ssl.SSLHandshakeException: no cipher suites in common

[{"Product":{"code":"SS6PNW","label":"IBM Sterling Secure Proxy"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"Not Applicable","Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"3.4.3","Edition":"All Editions","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

More support for:
IBM Sterling Secure Proxy

Software version:
3.4.3

Document number:
297635

Modified date:
17 December 2019

UID

swg22009213

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