topic Open ports tcp 135 & 445 on 877 in Network Security https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196425#M877669 <P>Hello all,</P><P></P><P>A quick portscan shows that port 135 and 445 tcp are open on my new installed 877 router. Why are these services running, and how could I close those?</P><P></P> Mon, 11 Mar 2019 14:37:01 GMT jaccorens 2019-03-11T14:37:01Z Open ports tcp 135 & 445 on 877 https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196425#M877669 <P>Hello all,</P><P></P><P>A quick portscan shows that port 135 and 445 tcp are open on my new installed 877 router. Why are these services running, and how could I close those?</P><P></P> Mon, 11 Mar 2019 14:37:01 GMT https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196425#M877669 jaccorens 2019-03-11T14:37:01Z Re: Open ports tcp 135 & 445 on 877 https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196426#M877673 <HTML><HEAD></HEAD><BODY><P>Hi Jar ,</P><P> These port are use by Window and NEtBios.here is the link to read more about it.</P><P><A class="jive-link-custom" href="http://www.petri.co.il/what_is_port_445_in_w2kxp.htm" target="_blank">http://www.petri.co.il/what_is_port_445_in_w2kxp.htm</A></P><P></P><P></P><P>HTH</P><P>DAK</P></BODY></HTML> Wed, 14 Jan 2009 13:25:35 GMT https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196426#M877673 Davy Ad 2009-01-14T13:25:35Z Re: Open ports tcp 135 & 445 on 877 https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196427#M877675 <HTML><HEAD></HEAD><BODY><P>But since there's no sign of any windos in our shop, I don't want the router to have any opening to these services what so ever. I want my router to answer as a solid closed wall when scanned. It seems the router itself answers on these ports. Please advise how to shut this down.</P></BODY></HTML> Wed, 14 Jan 2009 20:06:00 GMT https://community.cisco.com/t5/network-security/open-ports-tcp-135-445-on-877/m-p/1196427#M877675 jaccorens 2009-01-14T20:06:00Z