Traffic filtering allows a device to apply security restrictions to network traffic. Filtering can be done on many levels but the most common are TCP, UDP and IP filtering.
Questions tagged [traffic-filtering]
41 questions
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Web filtering choices
I'm in the process of starting up my own business and I would like to know when it comes to web content filtering what are my options? I can honestly admit I'm looking for a more user friendly system due to my limited computer experience. Currently…
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iptables rules to route a domain through a vpn interface and remaining traffic via default interface
I have a wireguard vpn connection to access certain private services hosted on private ec2 instances. But I want to be able to use my default internet connection for remaining traffic and only route those certain domain names via the wireguard…
adityabhuvanraj
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Is ingress filtering described in RFC2827 implemented in most routers? How does such implementation look like?
RFC 2827 describes the idea of ingress filtering that is meant to
deal with DOS attacks that utilize IP spoofing:
An input traffic filter on the ingress (input) link of "router 2", which provides
connectivity to the attacker's network, restricts…
John Smith
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tc-mirred, redirecting flow matches to a dummy interface
I'm scaling a security inspection device. The rate limiting step is a single threaded process that analyses and extracts data from network flows.
As a short-term goal, I would like to scale this by load-balancing from the physical capture interface…
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Windows server RRAS filtering traffic
So, can anyone explain me what is the difference between RRAS Static Filters, Windows Server Firewall and NPS regarding the filtering traffic for RA VPN clients and traffic designated for VPN server public/internet interface?
So when I want to…
John
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Traffic Filtering between Security Zones
I have an organization's network, containing 4 zones: inside, outside, DMZ1 and DMZ2.
DMZ1 contains external-facing servers - DNS, WEB and Mail servers. DMZ2 hosts internal servers- Radius, DHCP, Database, File and Application servers. All the zones…
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1 answer
Strange traffic to Google Cloud VPS
I have one small project running on Google Cloud. And during last couple of weeks I notice serious unexpected traffic to it and (a bit surprisingly in 2020-ths) additional bills for it. The volume of traffic is like
This is November.
I am not…
Mikhail M
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Corruption using linux traffic control (tc command)
I am kinda new to doing traffic control using Linux tc commands. So i am doing some hands-on on introducing network delay, packet loss and corruption etc across two hosts in the same network. The below commands were used to corrupt all traffic from…
Pranooy
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What is the ideal Windows Update / backup device for a LAN with a slow metered internet connection
I was just in Kenya for several weeks helping some wildlife conservation orgs with their computers and IT. The biggest issue (aside from not enough funds to update tech as often as they should) is that most locations have very limited internet; It…
Dave C
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How to get Comcast to stop blocking me?
I am a web developer running a demo server at home. My site is accessible from Atlanta as well as via my local cellular network. However, both a webserver I have in Utah and a webserver of a service I need to interact with that is in California…
Larry Reaves
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Trying to understand something
So I'm trying to figure something out, if I receive UDP traffic to my server from another server I can't really block it, like the iptables it's just blocking the traffic to being processed, but I want to stop it reaching the interface, is there any…
Curean Nicușor
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