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isc:labs:08 [2024/11/25 05:13] ebru.resul [[30p] 3. Man in the Middle] |
isc:labs:08 [2024/11/27 09:47] (current) ebru.resul [[30p] 1. Port Scanning] |
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| === [10p] Discover Devices on the Network === | === [10p] Discover Devices on the Network === | ||
| - | //**STEP 1: Scan the network with nmap - ping scan**// | + | //**STEP 1: Scan the network with nmap (using ping scan)**// |
| - | * __What It Does:__ Sends ICMP Echo Requests (pings) or TCP/UDP probes to detect devices on the network. | + | * __What It Does:__ Sends ICMP Echo Requests (pings) or TCP/UDP requests to detect devices on the network. |
| * __Strengths:__ Works across subnets and can identify devices beyond the local network. | * __Strengths:__ Works across subnets and can identify devices beyond the local network. | ||
| - | * __Limitations:__ May miss devices that block ICMP or TCP probes. | + | * __Limitations:__ May miss devices that block ICMP or TCP requests. |
| - | <note> **TASK:** Run a ping scan to discover active hosts in your network using nmap (you can use CIDR notation! Remember OpenStack's network prefix?).</note> | + | <note> **TASK:** Run a nmap with ping scan to discover active hosts in your network using nmap (you can use CIDR notation! Remember OpenStack's network prefix?). Hint: Search on google how to run a "nmap with ping scan option"</note> |
| <solution -hidden> | <solution -hidden> | ||
| <code> | <code> | ||
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| * __Purpose:__ Helps test UDP scanning, which is slower and behaves differently than TCP due to the lack of acknowledgments. | * __Purpose:__ Helps test UDP scanning, which is slower and behaves differently than TCP due to the lack of acknowledgments. | ||
| - | <note> **TASK:** Work in pairs. One person opens an UDP server on their VM using netcat, while the other scans for it. Choose a non-standard port (e.g., 10002). </note> | + | <note> **TASK:** Work in pairs. One person opens an UDP server on their VM using netcat, while the other scans for it. Choose a non-standard port (e.g., 10002). Hint: use -k when opening the server to allow multiple connections </note> |
| <solution -hidden> | <solution -hidden> | ||
