Router test tools

Online gaming will primarily be influenced by your ping, with a smaller ping being better while publishing content on the web, like uploading large videos to Youtube will be primarily constrained by your upload bandwidth. This number has more than doubled since With over million subscribers Verizon Wireless is the second largest telco in the United States. In earliy T-Mobile and Sprint merged their businesses with 86 million and 54 million respectively.

The merger made the 3rd and 4th biggest telcos a similar size as their two bigger rivals. WiFi 6 - What did consumers say in our Survey? Starlink Performance How to test download speed? How to test upload speed? How to test ping? What is download speed? What is upload speed? What is a ping latency? Why should I test my internet speed?

Test TCP port 6. According to security firm SEC Consult , Xiongmai video devices offer high-privileged shell access over TCP ports 23 Telnet and a Telnet-like console interface using hard-coded credentials. Many of the above firewall testers include port 23, but is not common at all. Windows remote desktop uses port and bad guys probe it often. In March , Rendition Infosec reported that the city of Atlanta had computers with port open on the Internet.

The hacking of MikroTik routers is all over the Router News page. Many of the attacks target Winbox, a Windows application that administers the router. Winbox talks to the router over port Anyone with a MikroTik router should insure that port is not open to the Internet. TCP port In Sept. In October and November we learned that publicly exposed which implies mis-configured Docker Services were being attacked to mine cryptocurrency.

The point of entry is TCP ports or , each of which defaults to providing unencrypted and unauthenticated communication. No hacking was needed, the owners of many Netgear routers do not change default passwords. Coverage of the hacking is on the Router News page under July The Satori botnet keeps changing. We have already seen below that it attacks ports and In June , Netlab found a new variant that scans for ports 80 and Even if you don't have a Mikrotik router, the botnet is huge and dangerous, so test TCP port At the end of Sept.

It should not be exposed to the Internet, yet over 8 million devices have this port open see the March section of the Router Bugs page for more. There was a critical flaw in the Smart Install software.

MikroTik routers leave TCP port open by default. It was abused by botnets in DDoS attacks in January The port is used for bandwidth testing and the company says to disable it in production. In Nov. Also, in March , an article at RedPiranha said "This port has been detected to be the most vulnerable aspect of the Huawei router as it does not validate any of the data packets sent to it whatsoever. Fortinet also wrote about this. To test port , click here. Also, check if SSH port 22 is open.

March If you own a video camera, then you may want to read about flaws in thousands of models. In terms of routers, one of the flaws lets anyone watch the camera.

Anyone who connects to TCP port that is. Test port The Mirai botnet scans for IoT devices on both ports 23 and In November , the protocol was abused to attack DSL modems. A device infected in this attack, will have its port closed by the malware to prevent new firmware from being installed.

They said that Shodan reports over 41 million devices are listening on port So, test port Some D-Link routers expose port for a unknown service that had a buffer overflow flaw that let remote unauthenticated attackers run commands on the router.

D-Link said they fixed this with firmware released in August Still, can't hurt to test TCP port In December Cybereason found flaws in many IP cameras. They made an online tester for people to check if their cameras are vulnerable. The test page says the vulnerable cameras use port Printers can use multiple ports. In Feb. This was not the first such attack and it was inspired by research published Jan More here and here and here.

In July , Trend Micro found a new exploit using port In March , Trend Micro found Linux malware that also abused this port. Port This is used by the Lenovo Solution Center and was found to have security vulnerabilities in December More about this here and here. More here and here.

Test it. A bug in some Linksys routers left port open even if their web interface said that remote management was disabled. Vulnerable routers will put you into their admin console, without even asking for a password. Port was made infamous in Jan. Other Linksys, Netgear and Cisco routers did the same.

See my blog on this: How and why to check port on your router. But, then it got worse, when in April , the "fix" merely hid the backdoor better. If your router has version 2 of the backdoor, you can't test for it. So, what the heck, test port and port See the UDP section below for links to test each. In January , it was revealed that Plex used UPnP in routers to open UDP ports and and that these were being abused in reflection amplification attacks. Test UDP port The flaw can be attacked on UDP port LDAP is used in corporate networks and "its use directly on the internet is considered risky and is highly discouraged.

It was designed by Apple who uses it for Back to My Mac. It listens on UDP port In it was discovered that over a million devices, connected to the Internet, had this port open on the WAN side. The Shadowserver Foundation scans for this daily. On Nov. The Asus infosvr service listens on UDP port It has a buggy history see here and here and here and here.

In mid-November , they found 3,, such devices. Test port and Test port The Toshiba Service Station application receives commands via this port and was found to be a security issue in December More here.

For example, an Ethernet connection that has a throughput of 30 Mbps is transferring 30 Megabits per second. Based on the definition above, we can see that throughput helps us understand and quantify network performance.

Network performance is often the difference between a productive day and an unproductive one. Given that, the need to measure and monitor throughput becomes clear. You can also check out our post on bandwidth monitoring tools and learn about the difference between throughput and bandwidth.

The differences between network throughput and bandwidth can be confusing to many. This is understandable given how the terms are generally used and that they deal with the same subject amount of data transmitted over a given medium. In short, bandwidth is the maximum amount of data that can go through a given medium and throughput is the amount of data that actually goes through that medium.

In practice, throughput will always be less than your bandwidth. Additionally, your throughput at a given point in time will usually not be your maximum throughput. For example, if everyone in the office is streaming high-definition video a lot more data is being transmitted than if everyone was just sending plain text emails. One of the most helpful ways to conceptualize bandwidth and throughput is the highway analogy. Bandwidth is the number of lanes on a highway while throughput is the cars traveling on that highway.

On a highway, collisions and slow-moving vehicles can slow things down. There are multiple abbreviations thrown around when discussing throughput. All the different measurements somehow refer to an amount of data usually bits or bytes over a period of time usually seconds.

Understanding what the most popular measurements actually mean can help you better understand throughput. Below is a quick breakdown of some of the common measurements and terminology related to throughput. One of the key takeaways here is: 1 MB is eight times more than 1 Mb.

The same goes for GB vs Gb. Keep that in mind when comparing throughput statistics and ISP service plans. Latency can have a big impact on throughput. Latency is the amount of time it takes data to traverse a given path. If we think back to our highway analogy, the amount of time it takes to travel across the highway is latency.

TCP relies heavily on acknowledgments , which means a receiver must acknowledge a sender for the transmissions to proceed. If it takes a long time for the packets to get back to the sender, there will be a lot of wasted time and lower throughput. High latency can occur for a variety of reasons, from bottlenecks to the number of hops between destinations to physical distance between sites.

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