Collaborate Disseminate
My problem is as followed: I have a pcapng file with around 125k packets. 57k packets are from destination port 80 to a range of port 20943 to 24519. Below is my very simple alert, which for now does not include a BPF filter.
ruletype … Continue reading Snort Alert doesn’t filter source port 80
I have a python code on Linux to create a raw packet:
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
ip_header = b’\x45\x00\x00\x28′
ip_header +… Continue reading Snort doesn’t capture raw packets
I have a python code on Linux to create a raw packet:
import socket
s = socket.socket(socket.AF_INET, socket.SOCK_RAW, socket.IPPROTO_TCP)
s.setsockopt(socket.IPPROTO_IP, socket.IP_HDRINCL, 1)
ip_header = b’\x45\x00\x00\x28′
ip_header +… Continue reading Snort doesn’t capture raw packets
I was reading some comments about an ids/ips being useless because a lot of traffic today is encrypted, and I thought that there must be some tools available for my home network that will allow me to decrypt local traffic, and to analyze i… Continue reading Snort3 IPS & TLS decryption [closed]
I’d like to build an IPS which would be a seperate endpoint than the router and/or protected servers. To achieve this I’ve installed to my Ubuntu server Snort with DAQ(AFPACKET). The instructions I’ve used is here -> Snort 3.0.1 on Ubun… Continue reading Snort Inline Mode(IPS) Routing Packet Forwarding
I have a snort system that automatically detects intrusions on the network. After detecting an attack I would like snort to execute a script that automatically grabs the source ip of the attack and then blocks it by using iptables. .
Ho… Continue reading How do I configure snort to automatically execute a script after an alert?
I have a snort docker container running on my network to detect attacks and i would like to use ansible to run a playbook to add a new rule to snort . I have installed ansible security ids rule on the host (Centos 7) and created a pla… Continue reading How to use ansible playbook to add new rules to snort docker container?
I have setup Snort and I have metasploitable 2 running in a docker container on Centos 7 host. I am trying to get snort to detect traffic traveling to the Metasploitable 2 container. I’ve tried pinging the metasploitable2 container… Continue reading How do I get snort to detect traffic going to metasploitable docker container?
Can someone guide me how to write PCRE option to match list of websites such as for eg facebook.com, google.com,ebay.com? I tried to understand from manual but couldn’t get is right?
regards,
I am trying to make a rule to alert when downloading a .jpg file less than certain size. I used the parameter dsize:<500.
But it is not alerting when I tried to run a .pcap file containing a jpg less than 500MB.
Did I use the parameter … Continue reading Using dsize:<500 parameter in snort