JVM Options Usage ExamplesHere are some examples of JVM agent option usage:

$ -agentlib:jmeter=noalloc,appserver_port=7001,public,include=weblogic:com.bea $ -agentlib:jmeter=nohotspots,owner_private,verbose:file=bcifilters.txt

$ -agentlib:jmeter=version $ -agentlib:jmeter

Security Awareness

Securing Communication Between the HPjmeter Node Agent and the Console

IMPORTANT: The data stream between the HPjmeter console and agents is not protected from tampering by a network attacker. You can help ensure that the data you view in HPjmeter visualizers is an accurate reflection of your application's operation and that data confidentiality is protected where needed.

Ensuring the Integrity of HPjmeter Console/Node Agent Data Transfer

For key applications in production, you may want increase your confidence that the data has not been tampered with en route between the agents and console before you take action based on HPjmeter metrics. Where you deem it necessary, confirm that the HPjmeter data looks reasonable according to the usual behavior of your application. You can also pursue using secure socket layer (SSL) tunneling to protect the integrity of data packets and to enhance the reliability of the data reaching the HPjmeter console.

Want to Know More About Secure Socket Layer Tunneling?:

HP-UX IPSec and HP-UX Secure Shell are two HP products that provide secure socket layer tunneling. To learn more:

•HP-UX IPSec technical documentation•HP-UX Secure Shell overview and download•HP-UX Secure Shell technical documentationSee also Connecting to the HPjmeter Node Agent (page 197).

Protecting Data Confidentiality During HPjmeter Console/Node Agent Communication

Data sent to the console is not encrypted by HPjmeter. If you are concerned about confidentiality of this data, you can protect confidentiality by using SSL tunneling to encrypt the header and data portion of each packet during transfer.

Working with Firewalls

NOTE: The console first attempts to use a port between 9505 and 9515 when arranging a port for its server socket. If it is unable to successfully use a port from this range, it will use an ephemeral port number.

The node agent has an open socket. Any HPjmeter console on any machine on the network (that is not blocked by a firewall) can communicate with this node agent. If you want to have a console contact a node agent through a firewall, you must provide a tunneling port so that the console can contact the node agent.

Security Awareness

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