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Computers & Electronics
Internet & Telecom

Testing FreeSCO in Vmware Workstation - Smallest Firewall / Router

943 views · Aug 3, 2022
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Hello, Youtubers, Today I am going to introduce FreeSCO, a smallest resource used firewall / router. It can use as less as 8M memory and still acting as a full function firweall and router. I found two sites which have ovf file to provide for importing into virtual environment to use. 0.3.8 0.4.5 I am going to use 0.4.5 file to do this demonstration with 12m memory. Only 1.4m file for importing to vmware workstation. I can not find any other smaller software can provide this kind of feature. I have created three virtual networks on this FreeSco 0.4.5 virtual machine. Nic1 - Bridged - 192.168.0.x/24 network - DHCP Nic2 - Host-only - 10.1.1.x/24 network - 10.1.1.11 Nic3 - VMnet2 - 172.17.3.x/24 network - 172.17.3.11 Topology PC1 with ip 10.1.1.21 connecting to eth1 on Freesco PC2 with 172.17.3.21 connecting to eth2 on Freesco Freesco's eth0 will be on 192.168.0.x/24 network with DHCP from cable modem. Lets start to do configuration: 1. Boot machine up default username: root default password: Welcome1 2. Skip register your sytem 3. Setup 4. Advanced Settings - local networks so far only eth0 got a DHCP ip address 192.168.0.105. We will configure nic1 and nic2 with eth1 and eth2 name. 5. save configuration and reboot machine 6. Verify two windows 7 machines ip configuration and disabled windows firewall. 7. both 172.17.3.21 and 10.1.1.21 can ping each other. That means routing fuction is working fine. 8. Nslookup from windows 7 machine is able to resolve internet host name. 9. But default settings will not get you to ping / connect to Internet host. Because we need a nat / firewall settings to be enabled and NAT our internal ip address to Internet. 10. Enable nat / firewall function This function is hidden from system settings. After enabled nat/firewall feature, reboot machine again. 11. As you can see, now we have a full function firewall / nat router with only 12m memory and file size is only 1.4m. 12. Thanks for watching. Subscribe me: https://www.youtube.com/c/Netsec?sub_confirmation=1 ======================================================= Recording IT life Blog: https://51sec.org
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