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Internet, Networking, and Wireless
Curiosity About 2 Routers In IP Scanner Results
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<blockquote data-quote="PGB1" data-source="post: 1778003" data-attributes="member: 76746"><p>Thank You Lisa for the good advice- especially about the long password & firewalls.</p><p></p><p>We keep the router's firewall on, as well as the ones from OS X & iOS. I rarely put my phone on the WiFi & my wife never has used hers on WiFi. (We don't have data plans, so once in a while I go on line with the phone to get an app or something.)</p><p></p><p>We don't have Sharing set up on any of our devices. Sharing is off in System Preferences on the OS X machines. </p><p>I don't know why we can print to the printer from our MacBook computers with sharing off. I can only make a very uneducated guess it is because it's plugged into the router with an ethernet cord. We've never tried printing from the iPad or phones.</p><p></p><p>Here Are This Afternoon's Adventures-</p><p>The first thing I did was to change the router's passwords for 2.4 Ghz & 5 Ghz, as well as the password to access the router's settings.</p><p>For the 2.4 & 5 Ghz passwords, I went to a 42 character entry with lots of numerals & special characters. Then I reset the router.</p><p>I signed my computer back into the network with the new password. I did not tell any of our other devices the new password. </p><p>Now, with the new password, I was positive my computer is the only item using it...</p><p>I was wrong. The mystery IP address was still on IP Scanner's list. </p><p>The printer was on it too, but maybe because it's plugged directly into an ethernet jack. So I unplugged it & started over. Mystery address was still present.</p><p></p><p>Next-</p><p>I blocked the mystery ip address in the router's firewall setting for filtering IPV4 TCP & tried to block it as UDP but the router didn't allow it.</p><p>After blocking it in TCP and rebooting the router, the mystery IP address was still in the IP Scanner list.</p><p>I wondered if the router itself was using that ip address and by blocking it, the router may not access the internet. I was wrong again. Everything worked fine. (But, of course, the address still showed up on the scanner list, so it may have never really gotten blocked.)</p><p></p><p>Next-</p><p>I downloaded two more IP scanning tool applications & tried them. They each showed the mystery address, thus confirming that IP Scanner app wasn't giving false data.</p><p>All 3 IP Scan programs show the mystery address is from Arris Group. I don't know how accurate that designation is, especially since the ISP tech person told me this morning it belonged to a Belkin or Linksys device. (I went back to a web page that checked the MAC address for me yesterday & it still said Arris.)</p><p></p><p>So now I m even more confused. (But learning a lot & I appreciate all that you each are teaching me along the way.)</p><p></p><p>Paul</p></blockquote><p></p>
[QUOTE="PGB1, post: 1778003, member: 76746"] Thank You Lisa for the good advice- especially about the long password & firewalls. We keep the router's firewall on, as well as the ones from OS X & iOS. I rarely put my phone on the WiFi & my wife never has used hers on WiFi. (We don't have data plans, so once in a while I go on line with the phone to get an app or something.) We don't have Sharing set up on any of our devices. Sharing is off in System Preferences on the OS X machines. I don't know why we can print to the printer from our MacBook computers with sharing off. I can only make a very uneducated guess it is because it's plugged into the router with an ethernet cord. We've never tried printing from the iPad or phones. Here Are This Afternoon's Adventures- The first thing I did was to change the router's passwords for 2.4 Ghz & 5 Ghz, as well as the password to access the router's settings. For the 2.4 & 5 Ghz passwords, I went to a 42 character entry with lots of numerals & special characters. Then I reset the router. I signed my computer back into the network with the new password. I did not tell any of our other devices the new password. Now, with the new password, I was positive my computer is the only item using it... I was wrong. The mystery IP address was still on IP Scanner's list. The printer was on it too, but maybe because it's plugged directly into an ethernet jack. So I unplugged it & started over. Mystery address was still present. Next- I blocked the mystery ip address in the router's firewall setting for filtering IPV4 TCP & tried to block it as UDP but the router didn't allow it. After blocking it in TCP and rebooting the router, the mystery IP address was still in the IP Scanner list. I wondered if the router itself was using that ip address and by blocking it, the router may not access the internet. I was wrong again. Everything worked fine. (But, of course, the address still showed up on the scanner list, so it may have never really gotten blocked.) Next- I downloaded two more IP scanning tool applications & tried them. They each showed the mystery address, thus confirming that IP Scanner app wasn't giving false data. All 3 IP Scan programs show the mystery address is from Arris Group. I don't know how accurate that designation is, especially since the ISP tech person told me this morning it belonged to a Belkin or Linksys device. (I went back to a web page that checked the MAC address for me yesterday & it still said Arris.) So now I m even more confused. (But learning a lot & I appreciate all that you each are teaching me along the way.) Paul [/QUOTE]
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