HTTP: Invalid Expect Header
This signature detects attempts to exploit a known vulnerability against Apache and other vulnerable Web servers. Attackers can send a malformed Expect header, which could cause the server to reveal configuration information, or it can be an indicator of spyware on a client computer.
srx-branch-12.3
srx-19.3
srx-branch-19.3
vsrx3bsd-19.2
srx-branch-19.4
vsrx-19.4
mx-12.3
mx-19.4
vmx-19.4
mx-19.3
vsrx3bsd-19.4
srx-19.4
vsrx-12.3
vmx-19.3
vsrx-19.2
srx-12.3