[Home](./index.md) > [puppeteer](./puppeteer.md) > [Protocol](./puppeteer.protocol.md) > [Network](./puppeteer.protocol.network.md) > [SecurityDetails](./puppeteer.protocol.network.securitydetails.md) > [cipher](./puppeteer.protocol.network.securitydetails.cipher.md) ## Protocol.Network.SecurityDetails.cipher property Cipher name. Signature: ```typescript cipher: string; ```