0
votes
0answers
2 views

Performing DNS queries starting with one of the root servers using dig command

I am having trouble understanding the question for my network assignment. The question states: Discover the sequence of DNS servers your local DNS server with empty cache goes through when it ...
0
votes
2answers
11 views

Why would a university block incoming UDP traffic with destination port 53?

From my understanding DNS uses UDP and port 53. What undesirable things could happen if incoming UDP packets to port number 53 weren't blocked? UPDATE: Packets originate or are destined to the ...
0
votes
0answers
4 views

How do I forward/NAT all traffic to one interface to give internet acess for clients in ap?

Im trying to setup a router in my debian vbox virtual machine using an usb wireless adapter in at0,and a bridged adpater in eth0,i'm using airbase-ng and isc-dhcp for leasing ips,the point is all ...
1
vote
1answer
5 views

Mac OSX - SSHD partially broken after El Capitan Upgrade

I recently upgraded my firm's Mac Mini device to El Capitan from Yosemite, and encountered several issues during the upgrade. I've gotten most of them resolved but one that's still failing is the SSH ...
0
votes
0answers
7 views

elasticsearch nodes not joining cluster

i have three nodes which should autoconfig into a cluster but for some reason they dont seem to want to cluster up. The 3 Hyper-V VM Servers are CENTOS 7 installed as compute with just the tool ...
0
votes
0answers
6 views

How to use lets-encrypt certificate to enable TLS for ejabberd?

I setup ejabberd on my server with a self generated certificate (ejabberd does this itself). I want to use a certificate issued by letsencrypt. How can I do that (and automate renewal)? How does ...
0
votes
0answers
4 views

Openldap ActiveDirectory Proxy using Slapd.d

I am currently attempting to setup an OpenLDAP proxy that will proxy proxy between 2 Active Director Domains, and will be used to talk to work with Shibboleth IDP3. I've never worked with openLDAP ...
0
votes
1answer
6 views

Why does uploading files via FTP set permissions to 775 / 664 by default?

I'm using FileZilla FTP client, and when I upload new files to the server it's creating directories with 775 permissions and files with 664 by default. Is there a way I can change either the ...
-1
votes
1answer
27 views

Setting up a WiFi network in a Museum

I have to build from scratch a WiFi network in a museum(not too many guests at a time, but school groups of around 30 ppl are frequent). The building is mainly a big hall (4 stories high, the size of ...
0
votes
1answer
8 views

Unbuntu server running Apache with an SSL Cert Issue

Bit of background as im new to the Ubuntu world, but I've started support for a company with some Ubuntu servers. The old SSL certificate (not self signed) is set to expire soon. I created the ...
0
votes
1answer
8 views

How can I implement a wildcard/catch all vhost

What is the best way to implement a wildcard vhost using Apache in Debian so any folder I put in the /var/www/ folder will work like such /var/www/abc will automatically point to abc.local ...
0
votes
0answers
4 views

Does Windows Server Storage Server have problems with RAID6 iSCSI?

I adopted a virtual Windows Server 2012 Storage Server that has 4 QNAPs attached via iSCSI. The storage environment is connected via iSCSI through a Cisco SG300 (Gigabit); jumbo frames is not ...
0
votes
0answers
5 views

nginx location redirect to folder with name as requested domain

I'm new to nginx and I want to do this: If the URL contains "/assets" redirect to "/communities/$url_domain" In other words: Requested: "http://www.cats.com/assets/superfile.png" ...
-1
votes
0answers
8 views

Amazon ec2 server timeout

I know this question has been asked many times before, but in my case none of the answers seem to solve the question. I have followed all of amazon's trouble shooting guide, but I'm still unable to ...
1
vote
0answers
7 views

Measure goodput before sending a response

My idea is to make it possible for web applications working on slower connections to fallback on alternative smaller asset versions(like images, videos, etc.). HTTP Live Streaming has similar behavior ...
0
votes
1answer
8 views

nginx: proxy special file patterns (css) from s3

we are serving a web app with nginx. It proxys everything that comes in over https to a server listening on localhost. Now I want nginx to act as a proxy and serve our css files from s3. As I want ...
0
votes
0answers
13 views

Could a missing library be causing this message to appear?

I recently tried to run a certain function from a program (it's pre-compiled and I don't have access to the source for it) and was met with this message: Could this possibly indicate that a library ...
0
votes
0answers
12 views

Windows Server 2012: Dump local security setting in txt file

I'm new with windows servers and I have this question. Is there possible to dump Dump local security setting in txt file using (PowerShell or Bat files). Sorry if my questions sound silly. Thank you.
0
votes
0answers
9 views

How can I forward UDP Multicast between two interfaces on Linux?

I have 3 Hosts (A,B,C), all with two network interfaces with, lets say, following ips: A: eth0 :192.168.0.2 eth1: 10.0.1.1 B: eth0: 192.168.0.3 eth1: 10.0.2.1 C: eth0: 192.168.0.4 eth1: ...
0
votes
1answer
15 views

Captive portal and SSL

I think similar questions have already been asked over and over, but my question is slightly different. I understand I can't redirect HTTPS traffic to the Captive Portal landing page without causing ...
0
votes
0answers
9 views

Site images lost/cropped, was this an attack, looking for clues

I am still putting things together to get this sorted, so apologies if I fall short on details. I am looking for your help to identify what actually happened. I take care of an eCommerce shop. ...
0
votes
1answer
9 views

Scan windows file system for directories containing certain words

Is there a command that I can run on a windows Server 2008 r2 that will only show directories that contain a certain word. For Example I want to find all directories that contain "logs" That means ...
-1
votes
1answer
15 views

Can't login to internet through browser [on hold]

So for my home internet I can go into a browser and type in my IP and get access to network setting. Well I figured I would try this at my school and see if I got the same results. So I got the IP but ...
0
votes
1answer
12 views

Nagios NRPE: unable to read output for custom check

I have written a custom ruby script to check disk usage for each volume on an ubuntu server. The servers are controlled by puppet and the nagios system has been running for years and contains a number ...
-1
votes
0answers
9 views

Cloud based office network [on hold]

Is it possible to have a cloud based company network? Presently our small company uses a workgroup with shared folders and the like. We would like to set up a network with that provides domain ...
0
votes
0answers
4 views

Is it possible to `include` a tasks file with a different set of hosts?

Ideally, I'd like to be able to do something like: - include: deregister_from_loadbalancer.yml delegate_to: loadbalancer In such a way that I still have access to the vars for the host I'm ...
0
votes
0answers
10 views

Azure VM, All passwords changed on login

We've got an Azure VM running Server 2012 R2. I have to stress that this is NOT a classic machine. I installed server essentials yesterday and linked all the accounts to an O365 account. A by product ...
0
votes
0answers
8 views

haproxy redirect and force https

So i am trying to use haproxy for redirection/load balancing of 2 different applications. I have 2 domain names, one for each application. For one of the applications, i need to add a prefix and force ...
0
votes
0answers
11 views

How to disable cache of Apache Front of my Tomcat?

I put it at the end of httpd.conf and nothing changed: #Initialize mod_rewrite RewriteEngine On <FilesMatch "\.(html|htm|js|css)$"> FileETag None <ifModule mod_headers.c> Header unset ...
-1
votes
1answer
17 views

high memory usage 100% rss feed attack

I am getting a lot of traffic to my website in /feed here is the log Ip Address - - [10/Feb/2016:14:47:58 +0300] "GET /feed/ HTTP/1.1" 500 - "-" "Mozilla/5.0 (Linux; Android 4.4.2; SM-G7102 ...
0
votes
0answers
8 views

Forward all traffic when connected to a hub

I have a Ubuntu with two NICs. eth0 is connected to a hub and eth1 is connected to Internet. eth1 is used to do a point to point VPN using openVPN. So I have a tun0 interface. the VPN tunnel endpoints ...
0
votes
0answers
4 views

Proxy only certain domain

I use squid as a proxy only without caching anything.How can i proxy only domains in a whitelist.Any other request should be forwarded directly (i.e skip the squid proxy ) not blocked. never_direct ...
0
votes
1answer
25 views

is proxy server behind VPN trackable?

Hi there, I have this interesting question. HTTP communication goes from PC to Proxy server, then proxy server is connected to VPN server, and from VPN server data goes to internet. Can anyone in ...
-1
votes
0answers
20 views

Is it possible to run two separate IPs through one line? [on hold]

I'm not asking if I should, just is it possible. Here's what I have: Old Internet provider has a 2 year commitment. But their line sucks. I'm literally paying pennies for it, but I decided to ...
0
votes
0answers
7 views

why does openswan create only UDP poliices in XFRM

See output of ip xfrm policy: src 172.16.255.1/32 dst 10.100.108.51/32 proto udp sport 1701 dir out priority 2080 tmpl src 104.131.13.155 dst 41.203.65.124 proto esp reqid 16393 ...
0
votes
0answers
21 views

Why do I get a list of root name servers when doing an nslookup to one nameserver and not another

I have two bind9 servers, ns1 and ns2 I have a test domain called test.test whos apex is 1.3.3.7 When I nslookup ns1 (master) I get: nslookup test.test ns1.domain.com (root) nameserver = ...
0
votes
1answer
10 views

301 or 302 redirect for site which will have no content for a year?

I have a domain which will not have any actual content for a year or maybe more, and I want to redirect for the time being. Should I opt for a 301 or 302 redirect? The site is for an academic research ...
0
votes
0answers
15 views

MS Active Directory without dynamic DNS registration

I have a running Active Directory with a non Microsoft DNS Server. The DNS Server is the authority DNS Server for the AD Domain Zone. All required DNS records for AD exists in this DNS zone. So far ...
0
votes
0answers
4 views

Can I use isc-dhcpd to provide an IP address based upon the request parameters?

I've got a dhcp request to be served with ISC-DHCPD: Gateway-IP 10.128.1.9 Client-Ethernet-Address 00:01:23:45:67:89 Vendor-rfc1048 Extensions Magic Cookie 0x63825363 DHCP-Message ...
3
votes
1answer
15 views

DL380 G9 which processor and what impact on NUMA

We are about to build a new server and I was wondering what would the impact on NUMA with the options available. The system will be built using a Proliant DL380 G9 8SFF which has 2 sockets, and 12 ...
-1
votes
1answer
13 views

Optimizing a small VPS for best Joomla performance

I'm trying to optimize for the best possible speed. My set-up is: -VPS with SSD, 1GB RAM and dual core -LAMP with apache 2.2, php 5.6 and mysql 5.5 on centos 6.7 -Opcache and memcached installed ...
0
votes
0answers
1 view

Symlinked files in shares not showing for clients

I have a bunch of shares that contains symlinks to files and folders. But the files don't show up when viewed by clients. Let's assume I have Ubuntu set up as a Samba Domain Controller and I add a ...
0
votes
0answers
2 views

How do I configure an Azure WebJob to connect with single IP to FTPS?

I want to connect to a secure FTP server (FTPS, not SFTP) from an Azure WebJob (basically an Azure Web App instance). In order to do a secure file transfer, the same SSL session must be reused for ...
0
votes
1answer
10 views

Nxlog pipe scheduled command output

I'm trying to read the output of the last command in Nxlog. I would like to run last on the utmp file on regular intervals. In other words I want to schedule a shell command to run with a time ...
0
votes
0answers
12 views

How to delete old AWS instances after 24 hours? [on hold]

We want to tag our instances as "no longer needed" in a way that they will get deleted after 24 hours. We are detaching instances from an autoscaling group and set an EC2 tag with the timestamp. We ...
0
votes
0answers
4 views

How to scale up AWS EC2 autoscaling group when number of instances with Serf tag available=true is lower than 10? [on hold]

We want to increase the number of instances in our autoscaling group when the number of instances with the serf tag available=true becomes lower than 10. This is what serf members looks like: x:7946 ...
0
votes
1answer
2 views

OpenDKIM and canonicalization of quotes

In the long-running battle against a considerable percentage of the DKIM failures for the signatures generated on my servers, I've noted an interesting occurence. Today I've got this DKIM failure ...
0
votes
2answers
16 views

Exchange Hybrid no longer needed

I've wrote a few post recently regarding my troubles with Hybrid Exchange and a SPLA licence :@ Here's our current situation: We have an Exchange 2010 SP3 server that is set up as a hybrid with ...
0
votes
0answers
6 views

Cannot connect via ssh | google compute engine

I am just starting on google cloud, and have a trouble connecting to my instance via SSH. I ve launched a bitnami packaged magento site (runs on Debian 7). And when following google instructions ...
0
votes
2answers
19 views

Why is nginx running with a new PID each time I list my processes

Why is nginx restarting with a new PID each time I list processes? And also, why is nginx running to begin with? Refer to image below for output. Nginx Output I don't know if this is useful but I ...

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