Sessions & rotation · glossary

Session ID

A proxy session ID is an arbitrary identifier that the client adds to its proxy username so that the gateway groups requests into a session and routes all of them through the same exit IP. Any value works; the gateway only compares identifiers. Using a new identifier is the simplest way to force a new exit, and using one identifier per account, basket or task is how parallel sessions are isolated from each other.

1 min read Also called sid, session identifier Updated

Targeting & sessions All terms

Choosing identifiers#

  • Random and unique per logical session: a short hash of the account name or task id works well.
  • Never reuse an identifier across unrelated jobs, or they will share an exit and a reputation.
  • Keep them short and alphanumeric; providers cap the length and the character set.

Identifier scope#

A session id is scoped to your account and to the location parameters used with it: the same id with -cc-de and with -cc-fr are two different sessions. It is also scoped to the gateway: residential and mobile keep separate session tables.

How it works at ProxShift#

On ProxShift the parameter is -sid-, up to 32 characters (a-z, 0-9), combined with -ttl- for the lifetime. Omit it and every connection rotates.

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