Nmap vs. Opsview Monitor

If you're a sysadmin, or anyone who's had to deploy network services, you've almost certainly had to use Nmap at some point or other. Need to see what devices are on your LAN? Nmap can tell you that. Want to check which ports your web server has open to the internet? Nmap is your friend.

Nmap is a powerful command-line tool and has many options that require some reading of documentation to get the best out of (although generally straightforward). If the thought of working at the command-line scares you (presumably not if you're reading this review), then you may want a much simpler tool, or at least check out Zenmap GUI.

Incentivized

If you know Nagios or Nagios-like monitoring systems, OpsView will be really easy for you to learn and manage. Migrations process will be relatively easy. You're getting great U/I that will speed up adding new objects to the system and present data in a clear, organized way. In addition it's easy to create dedicated dashboards for your clients.

Incentivized

• NMap provides a very fast and a very thorough network "sweep" that allows you to quickly map out exactly what's on your network.
• NMap is highly configurable. The "canned" choices are very good in most instances, but using various switches and options, you can create a very specific scan and get exactly the results you're looking for.
• NMap is easy to use. Even a new administrator will be able to use the graphical version (Zenmap) with efficiency right away.

Incentivized

• Easily extensible. We write many of our own monitoring plugins for Opsview and use open source Nagios community plugins as well
• Quick to deploy. Don't need to worry about all of the dependencies that you need to with something like Nagios
• It just works. Most of the housekeeping tasks are completely automated
• Nice visualizations and dashboards

Incentivized

• exporting, There's a serious lack of ability to export the information in a readable format to present to VPs and such. I always find myself doing a lot of data massaging to get it in a pretty format
• some scans can trigger sensitive IDS/IPS
• SYN scans can be particularly aggressive and cause problems on remote systems.

Incentivized

• pricey
• build in cloud monitoring packs need to be improved
• smb version is missing some powerfull features

Incentivized

There is a very large support community and a robust selection of add-ons and scripts. Once you get the use down this is one of the most powerful tools and you can find anything you are looking for as far as examples on the web. While not having official support its not lacking by any means.

Incentivized

Alternatives to Nmap (other IP scanners) are often much more limited in what they can do; They often only allow you to scan a specific subset of ports or a limited number of IP addresses in one command. Nmap is unrestricted in that regard. What makes Nmap stand out above the rest, is the complete network analysis package you get with it. It allows IP scanner, network deep-dives, hardware analysis, vulnerability analysis, encryption detailing, and so much more, in one free application

Incentivized

Nagios and Zabbix - Opsview is much easier to setup and operate than both of them. SolarWinds Orion - Opsview is much more economical

Incentivized

• Nmap with Wireshark is free, so it's been a great combo team to gather info and test.
• It's allowed us to avoid fines from false positives and to fix actual issues ourselves.
• Great for finding hosts, helps keep the network secure.

Incentivized

• helps to discover and remediate infrastructure problems quickly
• helps to present SLA diagrams for clients
• speeds up deployment proces for new solutions

Incentivized