Register

Firewall

247 views
0 votes
0 votes
To deny access to any administration’s n/w by outsider, the firewall should be set as ?

    protocol    source port      dest port     flag bit

a)TCP            > 1023               80             any

b)TCP             80                 > 1023         ACK

c)UDP            > 1023              53              —

d)UDP           53                  > 1023           —
User Avatar

Please log in or register to answer this question.

Voting & Accepting an answer helps improve the community
← PreviousNext →
← Previous in categoryNext in category →

Related questions

0 votes
0 votes
0 answers
1
Nandkishor3939 asked Jan 5, 2019
165 views
firewall
Can we set the conditon like: block all the incoming tcp packets from 4:00 am to 6:00 am using a “PACKET BASED FIREWALL”?
Can we set the conditon like:block all the incoming tcp packets from 4:00 am to 6:00 am using a “PACKET BASED FIREWALL”?
User Avatar
0 votes
0 votes
1 answer
2
BOB asked Sep 23, 2018
336 views
Computer Network Firewall
Which of the following parameters can be used by a firewall to decide whether to forward/drop packets? (a) Sources IP address and destination IP address (b) TCP/UDP sources and destination port numbers (c) TCP/SYN and ACK bits (d) All of these
Which of the following parameters can be used by a firewall to decide whether to forward/drop packets?(a) Sources IP address and destination IP address(b) TCP/UDP sources...
User Avatar
0 votes
0 votes
1 answer
3
srestha asked Jun 7, 2018
847 views
Firewall
" Firewall will only allow external hosts to send packets on existing open TCP connections or connections that are being opened (by internal hosts) but not allow them to open TCP connections to hosts in the private network" What problem will arise, if it open TCP connections to hosts in the private network ?
" Firewall will only allow external hosts to send packets on existing open TCP connections or connections that are being opened (by internal hosts) but not allow them to ...
User Avatar
1 votes
1 votes
2 answers
4
Sanjay Sharma asked May 30, 2016
709 views
FIREWALL
User Avatar
Link Copied!