Help Me With This 'Port 80' Closed Error

I have forwarded port 81 in my router. When I used the port check tool it was showing as port 80 closed, so I had to disable the firewall.

How do I solve this problem? As it is now, I am unable to view the cameras in my mobile.

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*** ***** ***** ** ***** ** ** *** ** **** 80 **, ** ****, ******.

*** *** ***** *** ******** **** ****** **** ********?

* ** **** ** ***** *** ******** ****** ********

* ** ** *** ** ****** *** * ******* ** had **** ****** ******** ***** **** * ******/**. ** ***** forward * **** ** * *** **** * ******** **, but ***** *** **** *** *** ********* ** *** ******, it ****** ** ******.

*** *** **** ** ***** ****. *****, **** ** **** memory.

**** ** *** ****** ******* *** **** ** *********?

**** * *** ********* *** ***** *** ******* ***** ** follows :

* ***** *** *** **** ******* ** **** **.

****** :********** ***** *** .

*** **** *** **** ** .******** ***** * ******* *** showing *** **** ***** ** ***** *** *** **** ******* on ****

**** ** *** ******* ******** ** **** ********? *.*. ******(*) to ****** ** *****?

** *** *** ******* ** **** ********** ** * ******, and **** ** *** ***** ***'** ********* ****** ** ** 'open' - ***** ******** ***** ** ******* ******* ****** ****** yours **** ** ***** *** ***.

*** ******* *** ** ***** ** ** *** * ******* from * ****** ** *** **** ****** ** **** ***... if *** *** ******** *** ** **** *** *** *** 2nd ****, **** **** * ** *** *** ****** **** you **** ** *** ** **** **** ********** **.

*******:tracert ***.*****.*** is the command I typed - which 'traces the route' to yahoo.com from my machine, showing all the routing devices the trace hits all the way to yahoo.com.

****** **** ***** * **** **** *** ******, *** *** jump ** **** ******, ***** *** *** **** ** ** external ** (********** **** *** *** ******)

*** **.*.*.* ** ********* *** ***-**** ******** ********* ******* ** the ***.***.*.* ***** ** *** *** **** **** ****** ******* with * **** ***** **** ********/****** ** ******* ** * private *******. *** *** **** ** *** *** *** ** you *** **** **** ***** ***** (** ******** ************ ****** that *** *** *****) ** *** ** ******** **** ** that **** ******** ******** (***.***.*.*) ** **** **** **** **** an ******** ** *** ** ******* **** ** ***** (*** 10.x.x.x). ** **** **** *** ** **** *** *** **** to **** **** ** ******* ******* *********** (***) ** ***** firewall (******** ** ** **.***.*.**) ** ******* ******* ** **** firewall/router. **** **** *****.