User:Pgmurphy/SecureVLANs
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Details
- EB2
- VLAN 455
- 172.26.0.0/24
- 256 IP addresses
- MRC
- VLAN 456
- 172.26.1.0/25
- 128 IP addresses
- Partners I
- VLAN 457
- 172.26.1.128/25
- 128 IP addresses
- Poe
- VLAN 275
- 172.25.0.128/25
- 128 IP addresses
Purpose
Private VLANS created for:
- Cameras
- PERYTON
- GRIFFIN
- Printers
- ECEPRINT
- SENTINEL
- OM
- LightsOut Management cards
- All Managed Servers
Setup
Allow 172 VLANS to only communicate (in/out) with:
- 152.14.98.x
- 152.1.51.x
Issues
Issues to address:
- Research machines in the server rooms
- Remote access machines in the server rooms
Solution:
- Configure the firewalls on these machines to block access to 172 ranges.
-A OUTPUT -p ALL -d 172.25.0.128/25 -j REJECT -A OUTPUT -p ALL -d 172.26.0.0/24 -j REJECT -A OUTPUT -p ALL -d 172.26.1.0/24 -j REJECT -A OUTPUT -p ALL -d 172.26.1.128/25 -j REJECT
Machines to block:
- GRENDEL1 -- done!
- GRENDEL2 -- done!
- GRENDEL3 -- done!
- GRENDEL4 -- done!
- GRENDEL5 -- done!
- GRENDEL6 -- done!
- EVENFLOW -- done!
- GARDEN -- done!
- OCEANS -- done!
- ONCE -- done!
- SLIPSTREAM -- done!
- CESR-BLADE1 -- done!
- CESR-BLADE2 -- done!
- CESR-BLADE3 -- done!
- CESR-BLADE4 -- done!