The IP launched HTTP tunnel attacks, attempting to wrap other protocols in HTTP to bypass network filters.

POST /dav/addressbook?add.vcf: Trying to exploit CardDAV servers to store and spread malware.

It made multiple requests with identical Accept-Charset headers.

Smuggling Attack: Logs showing a single IP initiating multiple sessions, implying a Smuggling Attack.

The IP address was identified sending packets with malicious payloads to our server, trying to exploit potential security holes.

The IP address has been associated with unwanted browser toolbar installations.

Attempts to use automated scripts or tools for password cracking.

This IP belongs to CenturyLink.

Multiple 5xx Server Error Codes: A high count of server error status codes such as '500 Internal Server Error' may suggest an attacker is probing the server's security.

This IP belongs to Verizon Communications.

Smuggling Attack: Logs showing a single IP initiating multiple sessions, implying a Smuggling Attack.

This IP belongs to American Express.

It continually sought to exploit known vulnerabilities within SSH through crafted packet attempts.

It attempted to use the Asterisk server to perform a reflection DDoS attack.

Unusually high number of requests to a specific service or application within the server.

The IP was detected while sending out malicious spyware-infected emails.

It attempted to carry out a 'Ping of Death' operation, hoping to crash the server.

This IP belongs to Publix Super Markets.

High Frequency POST Requests: Numerous or unusual POST requests in a short time span could indicate a dictionary or brute force attack on a login page.

Multiple requests with the same DNT (Do Not Track) header.

Multiple requests with identical cookies.

This IP belongs to State Farm Insurance.

Unusual network traffic patterns, such as a high amount of outbound traffic.

This IP belongs to GitHub.

It attempted to use the SASL server to relay spam.