[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Security](./puppeteer.protocol.security.md) > [CertificateSecurityState](./puppeteer.protocol.security.certificatesecuritystate.md) > [obsoleteSslSignature](./puppeteer.protocol.security.certificatesecuritystate.obsoletesslsignature.md) ## Protocol.Security.CertificateSecurityState.obsoleteSslSignature property True if the connection is using an obsolete SSL signature. Signature: ```typescript obsoleteSslSignature: boolean; ```