Security is not a product, but a process.

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Two questions about IIS permissions [on hold]

This question has been published on official IIS forums, but did not find the answer there. Hope find it here. Good day to you! And sorry for my English. I am using IIS for some time and now I ...
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0answers
10 views

Separate bridge for each VM?

I have been experimenting with network settings ever since I got a new dedicated server for some root-started unprivileged LXC containers a few months back and have finally arrived at what might be a ...
3
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1answer
19 views

How to handle vulnerability searches in IIS?

I have a web server running an ASP.NET web application on IIS 8.5. I noticed that several 404 errors were logged by the application which are not related to my application in anyway. Here are few ...
0
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1answer
36 views

Event 4625 Audit Failure NULL SID failed network logons

In a small environment comprised of one Windows Small Business Server 2011 server of relatively limited use (domain controller / Active Directory and DNS, Group Policy, DHCP, file server, third-party ...
1
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1answer
35 views

Secure connection errors without SSL

I have several users who are encountering messages about secure connections to the server when trying to access my website. We've had this on Mac (iphone, ipad and macbook w/ safari) & Windows ...
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2answers
38 views

How to protect Windows Server 2008 r2 from persons, which have physical access to computer? [on hold]

One server is available for other users, and we think that someone may steal passwords from it. I can not set a password on boot, because sometimes there is electricity failure, and UPS can hold it ...
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1answer
24 views

How to deny access on files to several groups easily?

Currently I'm working with permissions on files on the network with Windows Server 2012 Active Directory as follows: I set up one domain controller, on the domain controller I create users and groups. ...
0
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1answer
20 views

Block an http referrer on the server level

I am seeing multiple fake http referrers to several sites on my server, which for the most part doesn't bother me, except that they distort visitor stats. I have filtered the questionable domains out ...
0
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1answer
17 views

How to eliminate Security Warning message on EC2 Instance wizard

I've set up the AWS Free Tier, and configured a Windows Server. I took the defaults pretty much. There was 1 security group it created with 3 security rules it provided by default, and I didn't ...
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0answers
25 views

How to sandbox internal IPs on the same subnet with one to one NAT [closed]

I am curious as to what technologies are employed to accomplish this with vendors that provide this service. What kind of LAN subnet restrictions can be imposed so that 2 hosts on the same internal ...
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2answers
27 views

Opening outgoing ports on dedicated machine

I have a website where I have been working with another person on a game server listing site. It queries the game servers and shows information etc. Anyway upon talking to the creator of the script he ...
0
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0answers
21 views

Linux client for pki certificate auto enrollment from Windows CA

I just set up a Windows Server Certificate Authority. I would like to auto-enroll Ubuntu Linux computers for certificates. Can anyone share the available client options? I found this (old) technet ...
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0answers
24 views

Securing the server/domain against sql injection bot [closed]

I recently had a break-in attack on one of my website, that was performed by a sql injection bot. I was quite luckily to even know about it, since I was at my computer when it happened. What is the ...
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2answers
37 views

building a SIEM, should I send logs or get them from the gathering machine?

I am working in a Linux environment, I would like to gather all the logs from the machine pool on a unique machine X. There are several log files I need to move and I am not sure about the way I ...
1
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1answer
27 views

Access to “Windows Security” logs for “eventlog” group

Security logs are not available for users in eventlog group. I've checked this down to security event log file. eventlog group has all permissions. Unfortunately I cannot add my user to ...
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0answers
14 views

Why does the Azure Portal not have session timeout? [migrated]

We have been using Azure for almost 5 years, and we are very concerned about security. One thing I really do not understand is why there is no session timeout in the Azure Portal (e.g. automatically ...
0
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1answer
26 views

Protect Chef config when a node is compromised

Imagine that one node of a system gets compromised. If I understand correctly hacker will be able to get all configs for all servers in a system using chef's API. Is that correct? If yes, is there a ...
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1answer
25 views

Use 1 executable file to be distributed accross 100 client PROS and CONS guys? [closed]

for easy updates of our internal system I'm planning to use just 1 exe located at the server and just put a shortcut in my clients pointed at the exe in the server. PROS and CONS guys? Server 2008 R2 ...
0
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1answer
22 views

trace apache access_log file record called by which html or php file

I figured out that my access_log have funny records 118.101.120.86 - - [20/Apr/2015:23:20:57 +0400] "\xed3.\xbd\xd5\xeb\x16\xca\xa4" 200 378 146.185.239.100 - - [20/Apr/2015:23:31:00 +0400] "GET ...
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2answers
32 views

Setting up a network for a Host Server and it's Guest OS

Is there a standard as to how one sets up networking on a Server Host that will have virtual servers within? In the past I've used virtualmin and set up the nic to have multiple alias such as eth0:1 ...
-5
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1answer
30 views

Is it possible to change wireless router BSSID? [closed]

I suspect someone is trying to hack our wireless network. I've stopped broadcasting the SSID, but assuming they've already attempted to gain access in the past they could have the BSSID stored, which ...
25
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1answer
3k views

Is MariaDB a secure replacement for MySQL?

I've been using MariaDB, "an enhanced, drop-in replacement for MySQL" on my Debian stable servers for years, because of its increased performance. However I've noticed that it appears to lag with ...
1
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1answer
50 views

Weird server behavior, fear security breach but nothing on logs

These days my hosting (a2hosting) had an issue with the node hosting my VPS and during this period my users noticed a weird behavior other than the several restarts that happened while there were ...
3
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1answer
70 views

VLAN isolation failure with HP Procurve, Juniper Netscreen

I'm having problems with hosts being able to ping other hosts they shouldn't be able to communicate with. Fairly simple network - relevant hardware: HP Procurve 2810-24G switch Juniper Netscreen ...
2
votes
1answer
88 views

IIS 7.5 and above - enable schannel cipher DHE_RSA_AES_128_GCM following patch KB2992611 - Is this safe?

I recently became aware that following the release of patch KB2992611 in November, Microsoft made available four new cipher suites for schannel (and thus IIS); TLS_DHE_RSA_WITH_AES_256_GCM_SHA384 ...
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0answers
32 views

Am I being picked up by a proxy sending my IP/request URLs to China? Sketchy

I spun up a new machine on Digital Ocean today which is pre-configured with a web environment. I made an initial request to the new site and found the following (IP address redacted) in my nginx ...
0
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1answer
12 views

Secure elasticsearch but allow remote CRUD

I'm going to run a bit of software on server A to add and remove entries from elasticsearch on server B. How can I allow these remote create and delete operations, but still keep ES secure? Is ...
-1
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0answers
17 views

My VPS sends huge spam :( [duplicate]

since I am not tech guy I am trying to find someone who can help me but with no success so far. My VPS sends spam. Like a lot. 1,4TB in two days even though we restart immediately it when we see huge ...
0
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1answer
20 views

Data security for PII

I have a question regarding data security. I have an application that dumps a flat Excel file on a Windows server from an SAP database. The file is edited, then the application writes the edited ...
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0answers
27 views

Fail2Ban is not working for ssh

Iptable status:- ubuntu@ip-address:~$ sudo iptables -S -P INPUT ACCEPT -P FORWARD ACCEPT -P OUTPUT ACCEPT -N fail2ban-ssh -A INPUT -p tcp -m multiport --dports 22 -j fail2ban-ssh -A fail2ban-ssh -j ...
-1
votes
0answers
26 views

Snort alerts analysis (web interface)

I have a question about Snort (or maybe any other IDS/IPS, any working solutions would be ok). The goal is to set up some web interface providing a way to view the whole TCP stream packets of each ...
-3
votes
1answer
33 views

Windows File Shares inside an Organisation [closed]

I came across to a security weakness that potentially can put information at risk in my organisation. Whenever I access other's computer in the network through the command: \\192.168.20.4\c$ I ...
1
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2answers
43 views

How do I drop requests from dig?

Basically I'm getting tons of request to my named/bind service, basically those requests are being rejected by named, Those are the messages i get, from tons of ips., How extacly can I drop those ...
3
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1answer
37 views

Restrict postqueue access to admin user

I'm running postfix on Gentoo as mailer daemon. During investigation of some queue pileup I found that /usr/sbin/postqueue is executable by all users on the system, it happily outputs the current mail ...
0
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2answers
40 views

Protecting mysql instance on Linux Azure VM

I have mysql running in a Linux Azure VM. It's currently bound to the "Internal IP Address" of the VM as looked up in ifconfig and the Azure Dashboard. I've turned on logging to see who and what is ...
1
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2answers
45 views

How can I stop ansible from writing passwords to the logfiles?

I am setting up a MySQL server and want Ansible to set the mysql-root password during installation. With the help of the internet I came up with this solution: - name: Set MySQL root password before ...
2
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2answers
39 views

Does DNSSec NSEC3 require support from the Registrar, DNS Server or both?

I'm interested in getting NSEC3 support for my domain getvalid.com, so that I can prevent name traversal. DYN doesn't seem to support NSEC3, and it's clear that BIND and the DNS server require the ...
-1
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0answers
78 views

Server hacked; how? [duplicate]

It looks as if our CentOS LAMP server has been compromised today. It appears malicious files have been uploaded into the webroot and requests are being made to upload these files to other servers. I ...
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0answers
27 views

Managing IAM security credentials for multiple docker containers

Within plain EC2 environment, managing access to other AWS resources is fairly straightforward with IAM roles and credentials (automatically fetched from instance metadata). Even easier with ...
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votes
1answer
69 views

How to secure OwnCloud? [closed]

I am not literate when it comes to servers, but I like the idea of having my own cloud storage for privacy reasons. OwnCloud is targeting (at least a little bit) the "DIY-home-user" so it seemed to be ...
0
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2answers
45 views

Disable ssh login on specified time for particular users

I would like to disable ssh login to my system for particular users say X,and Y on specified time 17.00 to 18.00. so how to achieve this ? any help would be appreciated.
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2answers
50 views

Where are MySQL users and passwords stored?

When I delete 'mysql'.'user' table I'm still able to log in as any user I've created before. How is this possible?
0
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0answers
30 views

LDAP Browser(Softerra) vs LDP.exe

Here is the issue; -> There is a Deny All(FullControll) set on 2 OUs for a service account. -> When i use LDP.exe to query those OUs, it can read their names but can not display any objects ...
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votes
1answer
44 views

What are the security risks associated with an automated login script?

I have a remote server that only allows logins through a browser https request. I want to download images from it, and cache them and use them in a local job. What are the security risks with ...
-1
votes
1answer
39 views

DHE cipher suite issue

I am now using this cipher suite: SSLCipherSuite ...
0
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0answers
19 views

How do I ban IP's that request files that do not exist using fail2ban? [duplicate]

I have recently started using Fail2Ban and need to configure a specific 'Jail'. My apache error logs are filled with requests for files within my /var/www folder. The folder doesn't contain any ...
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0answers
22 views

Strange file structure on surveillance DVR

I have a 2TB HDD (WD Purple) from a client's surveillance DVR (Night Owl) with a puzzling file structure. The drive has 7,451 256MB files all dated 1/10/2098 23:02. The files are named 0001-7451 with ...
4
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2answers
96 views

should anonymous access to the IPC share be allowed on Windows 2008 r2

During an audit the question of anonymous access to the IPC$(null sessions) share was raised. The audit lists the following as being a risk on a Windows 2008r2 file server: C:\>net use ...
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0answers
19 views

Warnings in Tiger auditing reports (process is listening on socket)

I get email logs like the ones below emailed daily from my server. I don't really know what does it mean and thinking about disabling them, but I guess this is not a good idea and it's better to learn ...
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0answers
12 views

recieved abuse complaint that badbot came from my ip [duplicate]

I recieved an abuse complaint that a badbot was used to attack their servers and the badbot listed my ip as the source. Does this mean that my server is infected and using my server to send out ...