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| docs:guide-user:firewall:fw3_configurations:fw3_ref_topo [2018/09/18 21:24] – dturvene | docs:guide-user:firewall:fw3_configurations:fw3_ref_topo [2018/09/22 13:14] – dturvene | ||
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| Line 5: | Line 5: | ||
| single public IPv4 address leased from Verizon ($5US/ | single public IPv4 address leased from Verizon ($5US/ | ||
| Verizon [[http:// | Verizon [[http:// | ||
| - | router. | + | router. |
| - | internet access (triple play). | + | internet access (triple play). |
| - | **MAIN** router | + | **MAIN** router |
| + | |||
| + | :!: Interestingly, | ||
| + | firmware, based on Linux 2.6.16. | ||
| + | many years ago; cisco is now selling | ||
| + | [[https:// | ||
| + | It looks like Verizon has been limping along without developer support since then... | ||
| + | |||
| + | Now on to more recent technology... | ||
| The router switch in | The router switch in | ||
| Line 50: | Line 58: | ||
| REJECT, so a firewall rule must be explicitly added for each service from LAN | REJECT, so a firewall rule must be explicitly added for each service from LAN | ||
| to WAN (e.g. ICMP, SSH, HTTP). | to WAN (e.g. ICMP, SSH, HTTP). | ||
| - | when is forwarded but expect it to be rejected or dropped. | + | when a packet |
| {{ : | {{ : | ||