Questions tagged [snmp]

Simple network management protocol (SNMP) is a protocol for gathering and modyfing information about devices on an IP network.

12 questions
4
votes
1 answer

Nmap snmp-info.nse Security Name

I'm attempting to issue an snmpget request to a device but i'm unable to determine the security name. Running the Nmap snmp-info.nse is successful and no Security Name is required to successfully run the script. Is there any way of retrieving the…
2
votes
1 answer

Examples of SNMP

I grasp a basic theoretical knowledge about SNMP. However, I saw several events from our SIEM showing that a client endpoint generated SNMP events with port 161 and concluding that this host could be a local UDP scanner or something like that. How…
sanba06c
  • 103
  • 9
1
vote
0 answers

List of default SNMP MIB tree values / OIDs?

I'm trying to find a resource that lists default SNMP mib values and object identifiers for various vendors / operating systems to use with snmpwalk. I have a list of MIB tree values for Microsoft Windows SNMP but can't find lists for other vendors.…
Michael A
  • 177
  • 8
1
vote
3 answers

Is running SNMP v2c really insecure and can lead to compromisses?

I currently use SNMP v2c to monitor switches, servers, ect... to graph for performance. Question in terms of SNMP. Everyone says that running SNMP insecure is a security risk. How is a graphing protocol designed to transmit messages insecure? Is the…
Jason
  • 3,086
  • 4
  • 20
  • 24
0
votes
0 answers

SNMPv3 polls with encrypted usernames

When I perform SNMPv3 polls, I still can see the username in plain text in Wireshark. I find that a slight security risk. I mean knowing the username is a little step further ahead compared to not knowing the username nor the password. I mean in…
AhmedWas
  • 101
  • 1
0
votes
1 answer

SNMP Enumeration

I'm scanning a machine that has the UDP port 161 open and I'm not able to run snmpwalk against it as I'm returned with the error: Timeout: No Response from I tried to run the onesixtyone tool to bruteforce the community string with different…
1afx0
  • 1
  • 1
  • 3
0
votes
2 answers

Nmap with snmp-brute script freezes at 33.33%

I'm currently undergoing a penetration testing course where I discover the basics and I have a task where I need to perform SNMP enumeration on a target. My working environment is as follows : Host : Windows 10 (64-bit) Oracle VM VirutalBox machines…
DisplayNeth
  • 123
  • 4
0
votes
1 answer

Why is SNMP vulnerable to IP Spoofing?

I read on Wikipedia's Article on SNMP SNMPv1 and v2 are vulnerable to IP spoofing attacks, whether it runs over TCP or UDP, and is a subject to bypassing device access lists that might have been implemented to restrict SNMP access. I'd like…
PhantomR
  • 101
  • 1
0
votes
1 answer

SNMP - need help with terminology

In many resources, I see that community strings are also called default passwords. But in the Server Manager, I see "Community name" and it makes more sense. So why people often use the phrase "default password"? If we enumerate the information by…
Klos
  • 31
  • 2
0
votes
1 answer

What does "DECed" mean in Network Security?

As in this MIB documentation: http://www.circitor.fr/Mibs/Html/F/FORTINET-FORTIGATE-MIB.php#fgIpsAnomalyDetections fgIpsAnomalyDetections 1.3.6.1.4.1.12356.101.9.2.1.1.9 Number of intrusions DECed as anomalies since start-up in this virtual domain
0
votes
1 answer

IPsec down with unusual SNMP traffic

Time to time IPSec tunnel status become down, with unusual SNMP Traffic. when I disable and enable port manually, it become normal. I am using 200E fortigate firewall. Have you any idea or previous experience with this issue?
Infra
  • 650
  • 1
  • 6
  • 19
0
votes
1 answer

Feeding Azure portal logs into a SIEM solution

Currently working on a cloud transformation project where all infrastructure is being placed into Azure. We currently use a SIEM solution to monitor and assess events across the environment. The adoption of Azure has added an additional level of…
JLPH
  • 107
  • 4