Oracle
1Z0-100 · Question #86
A web server on HOST01 is listening on port 80. Examine the IPTABLES rule shown: [root@host01 ~] # iptables -L INPUT Chain INPUT (policy ACCEPT) targetportoptsourcedestination ACCEPTtcp…
The correct answer is A. New connection attempts timeout. See the full explanation below for the reasoning.
Question
A web server on HOST01 is listening on port 80. Examine the IPTABLES rule shown:
[root@host01 ~] # iptables -L INPUT Chain INPUT (policy ACCEPT) targetportoptsourcedestination ACCEPTtcp- - anywhereanywheretcp dpt:http Another rule is then added:
[root@host01 ~] # iptables -A INPUT -P tcp - - dport 80 -j REJECT What is the effect of this command on subsequent attempts to access the web server on HOST01 using port 80?
Options
- ANew connection attempts timeout.
- BNew connection attempts are refused and the client informed of the refusal.
- CNew connection attempts always succeed.
- DNew connection attempts succeed until a reload of the firewall rules.
How the community answered
(42 responses)- A83% (35)
- B5% (2)
- C10% (4)
- D2% (1)
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