![]() ![]() In this situation, ARP scan/arp sweep can be used which is discussed next (Figure 1). Thus ICMP ping sweep is mostly used, but if there is a firewall in between which is configured to block ICMP packet then even ICMP ping sweep is useless. If that target host doesn t support ECHO service then this TCP/UDP ping sweep will not work. In this ICMP type 8, ECHO request is followed by ICMP type 0, ECHO reply packets are being used while in TCP/UDP ping sweep packets are destined to TCP/UDP port 7, The ECHO port. Ping Sweep can be performed using ICMP, TCP or UDP, the most popular one is ICMP Ping Sweep. Ping Sweep This scan is helpful to find out which IPs are active in the network. Now I am moving to some popular scan methods and how to detect them in Wireshark. ![]() 2 Which IP addresses are in use? Which port/services are active on those IPs? Which platform (Operating System) is in use? What are the vulnerabilities & other similar kinds of information. ![]()
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