Nmap vs. Preseem

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

For any ISP that wants to know the QoE their customers experience while using their service, Preseem is an excellent choice. The rate plan shaping also makes sure the connection feels fast, even if the speeds are being 100% utilized by the customer. This is not a DPI service though, so you can't classify or shape certain services over others. All traffic is treated fairly, and small flows are moved to the front of the queue to make sure interactive traffic like VOIP, DNS, and gaming is working well ahead of large downloads.

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

• Graphical real time data of condition of our network.
• Real-time data of network performance, network-wide, tower site-wide, sector-wide, and down to the subscriber level. Data that is both current and historical so we can see trends happening before a service-impacting issue arises.
• The comparison of our network equipment performance compared to identical equipment that others have deployed throughout their entire customer base.

• 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

• The tool could stand to be a little less engineered, but really the ROI isn't there for them to do so. I don't think most of us care about how pretty it looks, more so does it work and can I figure it out in relatively short order.

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

Any Amplifi product can show client infrastructure usage and date. the Dream Machine is perfect because it has built-in everything for the client to manage his local network.

• 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

• Best money we have ever spent on technology
• Night and day difference in application performance after Preseem was implemented.
• Key tool for customer satisfaction.