All Questions
63
questions
0
votes
1
answer
46
views
Protect public network with virtual firewall w/o control over the gateway
I have a public network, 123.123.123.0/28, and a local network, 192.168.1.0/24. My ISP gateway for the public network is 123.123.123.1. My virtual firewall and router (pfsense) is running inside ...
- 3
0
votes
1
answer
450
views
Router to Wireless router (Packet Tracer)
Hi, Can anyone help why I can't ping from my pc in office network to my laptop in guest network or wireless network. It is possible to ping from guest network to office but failed vice versa.
Main ...
1
vote
0
answers
63
views
Pros and cons of directly interconnecting routers and firewalls vs via switch in an enterprise-network? [closed]
In a medium-sized enterprise network, let's say you have a pair of datacenter switches, a pair of distribution switches, a pair of internal core routers, a pair of firewalls, and a pair of edge ...
- 11
0
votes
1
answer
40
views
What is the difference between these two different network security devices?
I have a choice between these two network security appliances, however the only difference I can see is the year and I don't know what that year means.
SONICWALL TZ300 WIRELESS-AC SECURE UPGRADE PLUS ...
- 103
1
vote
1
answer
98
views
Is it possible to configure DHCP on a router or UTM firewall for the multiple VLANs on L3 Switch?
I'm working on expanding our office network to accommodate more users/devices. Currently we have the DHCP configured on a UTM firewall(cyberoam ing50) device(cum router) providing IP addresses for ...
- 13
2
votes
0
answers
370
views
Why can't i reach devices in the other network?
I have 2 networks and want to connect them with each other. It should be possible that all devices in network A can communicate with devices on network B and other way round. 1 network is "managed" by ...
- 219
1
vote
1
answer
74
views
IP Routing and Switching Interface Speeds
I have a question that relates to routing and switches. I am looking to set up a new Firewall that will handle the routing for the network and attached to the Firewall will be a switch. Here are the ...
- 13
0
votes
2
answers
437
views
Cisco ASA and a Router?
I'm trying to understand networking and when looking at the different routers, firewalls and switches, I came across Cisco ASA which many use for firewall and routing abilities, so if you use an ASA ...
- 515
0
votes
3
answers
400
views
packet filtering using bridge vs router
I have a question about the bridge vs router packet filtering using firewalls. I know the basics of the router and bridge and on which layers they work. I just wanna know that on bridge how does ...
0
votes
2
answers
412
views
If you're behind a firewall and all the ports are blocked, how is your browser able to access the internet? [closed]
I'm behind a router and I'm able to run game servers on my home computer after forwarding ports or using the DMZ feature on the router. However, I still don't understand the underlying technology as ...
- 103
1
vote
0
answers
190
views
ASA - communication between 2 tunnels
I have two IPSEC tunnels with an ASA in the middle
Site A - 10.20.4.0 /24 (65.176.80.84)
Site B - 192.168.142.0 /24
ASA - 10.99.206.0 /24 (95.12.22.33
Site A - 10.20.4.0 /24 can reach the ASA and ...
- 11
3
votes
1
answer
329
views
Cisco ISR Zone Based Firewall dual stack not matching returning traffic for ipv6
I have a bit of a problem with my Cisco 1921 ISR config. I have ipv4 (obviously) and also native ipv6 connectivity in my home lab. I am trying to set up the zone based firewall. With ipv4 traffic, the ...
- 151
4
votes
2
answers
2k
views
How many pps (64Byte each) i can receive in 1Gbps throughput modem / firewall
I need help with this:
If i have 1Gb/s throughput.
I can receive how many pps in 64Byte each packet / s?
Let's say I can send (Packet / Second - 64Byte) 450,000, meaning I would not only have 230.4 ...
- 143
1
vote
1
answer
64
views
Change firewall rules of a Cisco Router from network
I'm looking for ways, methods or workarounds to:
Change firewall rules (WAN/LAN accept-deny) of a Router from networking, through Linux command or PHP script, can be a socket, or rest service, soap ...
- 113
2
votes
1
answer
4k
views
How to block Whatpsapp, Imo, Viber etc from Microtik router? [closed]
I want to block whatspp, viber or other chat apps as such. I have microtik router with RouterOS in it. But how would I block Viber or whatsapp?
If I am to block domain, what's their domain though?
If ...
