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Bumek [7]
3 years ago
9

Suppose you want your firewall to block all incoming Telnet connections but to allow outbound Telnet connections. One approach w

ould be to block all inbound packets to the designated Telnet port (23). We might want to block inbound packets to other ports as well, but what inbound TCP connections must be permitted in order not to interfere with outbound Telnet
Computers and Technology
1 answer:
Vera_Pavlovna [14]3 years ago
5 0

Answer:

Another way to block all inbound packets is to use the firewall layer of the circuit.

Explanation:

The firewall circuit layer is a firewall containing a table with four fields, mainly such as source port, destination port, source IP address, and destination IP address.

They are containing mainly the addresses or the ports that need to be blocked.   So we want to block all inbound packets, and also set the source port to 23 while the rest is set to zero, meaning that all inbound packets are blocked.

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Explanation:

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Answer:

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Explanation:

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Answer:

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3 years ago
Two files named numbers1.txt and numbers2.txt both have an unknown number of lines, each line consisting of a single positive in
Reika [66]

Answer:

see explaination for program code

Explanation:

scalar_product = 0

li=[]

li2=[]

#reading numbers1.txt and numbers2.txt intoli and li2 respectively

with open('numbers1.txt') as n1, open('numbers2.txt') as n2:

for line1 in n1:

li.append(int(line1))

for line2 in n2:

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#storing min list size into variable l

a=len(li)

b=len(li2)

if a<b:

l=a

else:

l=b

#calculating scalar product

for i in range(l):

scalar_product=scalar_product+li[i]*li2[i]

print("scalar product is",scalar_product)

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3 years ago
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