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Dynamic VPN tunneling technologies

Ok, so I'm asking a more specific question this time. I'm writing a paper about Cisco's DMVPN and one of the tasks I have is to make the analysis of available network solutions which use dynamic VPN ...
Adam's user avatar
  • 21
3 votes
1 answer
215 views

Stateful IPv6 configuration when router is absent on link

RFC 2462 specifies: 5.5.2. Absence of Router Advertisements If a link has no routers, a host MUST attempt to use stateful autoconfiguration to obtain addresses and other configuration information....
user avatar
2 votes
1 answer
1k views

MS SQL Server is accessible locally but not over the internet

When I try to access a named instance of Microsoft SQL server 2008 R2 SP2 on the local network, I have no problem. But when access it outside office from the internet, I can not connect to the ...
LudoB's user avatar
  • 21
48 votes
6 answers
87k views

Permanent block of IP after n retries using fail2ban

I have a fail2ban configured like below: block the ip after 3 failed attempts release the IP after 300 sec timeout This works perfectly and I want to keep it this way such that a valid user gets a ...
BTR Naidu's user avatar
  • 627
0 votes
1 answer
301 views

Should we migrate our VPN from MSCHAP V2 to something else?

We bought a new Firewall a couple months back, a Netgear UTM9S, and one of the features we enabled is the PPTP VPN to enable access to SQL, Web and File servers for remote users. But now, after ...
TiernanO's user avatar
  • 744
2 votes
2 answers
18k views

Windows Server 2012 HA Cluster Shared Volume "Online (No Access)"

We have a Hyper-V 3.0 Failover Cluster (2 servers) each running Windows Server 2012 RC. We have Shared Storage (HP P4300) which is reporting no errors and is working just fine as either a standalone ...
Rudi Visser's user avatar
0 votes
1 answer
56 views

SBSe 2011 All users can login into the same PC on the network and access the SBS shares minus one user

All users can login into the same PC (our board room PC) on the network and access the SBSe shares minus one user who can login but cannot mount the mapped network drives or access his Desktop which ...
user131241's user avatar
0 votes
1 answer
249 views

Solaris packaging preserve file timestamps

I have been creating Solaris packages for application deployment for some time, however recently I became aware that deployed files had the same timestamp of when the package was created. Looking ...
aaa90210's user avatar
  • 351
0 votes
2 answers
1k views

Update Group Policy Offline

DC OS - Window Server 2008 R2 Standard. Client OS - Windows XP, Windows 7. Is it possible to update Group Policy while the client is offline? I have several laptops outside the LAN. The users don't ...
Param's user avatar
  • 1,367
1 vote
3 answers
2k views

Httpd process consuming loads of memory

I have a server which is giving me headaches. It hosts a couple of sites: these are either php based, or java based. I have a setup that uses apache2 + suPhp for the php sites, and apache2 + mod_proxy ...
Mopper's user avatar
  • 123
0 votes
4 answers
229 views

MySQL and Apache Clustering

first of all sorry If I don't write properly, I have got a bad english. Well I have got these servers: The server number 1 has got so much work so I want to setup a cluster system joining 4 virtual ...
user avatar
1 vote
2 answers
7k views

Ping Cisco ASA over VPN

ASA1 is 8.4(2) @ 192.168.1.1, behind this is host1 @ 192.168.1.10 ASA2 is 8.4(3) @ 192.168.2.1, behind this is host2 @ 192.168.2.10 Pinging form host1 to host2 works, but I can't ping that inside ...
Baldrick's user avatar
  • 4,242
0 votes
1 answer
277 views

PCI DSS Compliance on Ubuntu 10.04 LTS

My company's web server has recently failed our quarterly PCI scan on the basis of the Apache HTTPOnly Cookie Disclosure, a vulnerability only fixed from apache 2.2.22 onwards. I'm currently running ...
hav's user avatar
  • 26
2 votes
0 answers
62 views

Exchange 2007 Database Restore

We have a Recovery Storage Group. Within that group is a DB called 'Recovery.edb'. Due to a lack of space on other SG's we have had to move live users into this DB, and will continue to do so until we ...
Aron Baker's user avatar
3 votes
2 answers
4k views

Unable to update user policy via VPN

One Domain user with laptop is gone abroad. I had change some user policy for that Domain User. I have connected his laptop via internet through VPN to my Local Network. I am getting the following ...
Param's user avatar
  • 1,367
0 votes
1 answer
12k views

Tracking down DFS open file users

I have a file in a DFS share, it's in a namespace managed by two domain controllers The base media is one shared drive on a file server I can't delete it, it keeps re-appearing when I run sysinternals ...
Paddy Carroll's user avatar
2 votes
1 answer
928 views

Xargs and bash script

The script works fine when executed manually but I recived the folloing error while it's run as a cron job: xargs: postsuper: No such file or directory #!/bin/bash mailgueue=$(mailq | awk '/MAILER-...
HTF's user avatar
  • 3,198
0 votes
1 answer
100 views

Is it possible to run PHP files that are outside of Virtualbox instance?

I use Vagrant and Puppet to recreate my live VPS and I'd like to test my PHP files locally against that. I have osx so during development I use the apache server there, but I'd like to use the same ...
ed209's user avatar
  • 187
1 vote
1 answer
1k views

zeroconf (bonjour) assign ip adresses (.NET)

i am on windows and i want to write a tool in .NET that gives IP´s (with zeroconf) to embedded devices in a network. I am familiar with programming but new to zeroconf, networking. So i wondered, ...
Gobliins's user avatar
  • 201
14 votes
3 answers
56k views

How does one cluster multiple machines to act as one to run multiple virtual machines on this single-seeming machine? [duplicate]

How does one take multiple computers and make them act as one, such that all their processors and memory are combined now and you are running any application such that yo are running them on a single ...
user2387's user avatar
  • 141
0 votes
2 answers
6k views

Cannot access local database with IIS Manager

I've created a local .mdf database with Visual Studio 2010 and did a couple of modifications to it. Now I want to edit it in IIS Manager. However, I cannot access it neither by connection string, nor ...
Mikhail's user avatar
  • 129
7 votes
1 answer
3k views

SQL Server Debugging: "Unable to Step. Invalid operation"

I'm debugging a call to a Stored Procedure in SSMS (2012). Frequently, and various random points in the code, a dialog pops up: Microsoft SQL Server Management Studio: Unable to Step. Invalid ...
CJM's user avatar
  • 730
3 votes
2 answers
3k views

How to restrict access to dynamically generated location in nginx?

My developers want to allow download some files only to users in lan. I said ok it's quite simple and I wrote changes to nginx config like this : location /restricteddir/download/file { ...
B14D3's user avatar
  • 5,258
0 votes
1 answer
426 views

Debian server hangs when bridge is enabled

Alright so basically my interfaces file looks like this. Now this works if I bring the interface down and up again once linux has booted. But if I attempt to restart it gets stuck loading the network ...
CriticalImpact's user avatar
2 votes
1 answer
630 views

Create private key with CSR

I have a CSR file (as a text file) and the corresponding P7B certificate. My problem is that I have to create a P12 file on a machine where I do not have created the CSR. I have created the CSR in ...
Daniel Schlieckmann's user avatar
6 votes
2 answers
30k views

Nginx proxy timeout while uploading big files

I'm experiencing strange behaviour with Nginx. In my case Nginx acts as proxy to Jetty. Config below: server { listen 80; client_header_timeout 3m; client_body_timeout 3m; ...
tomekkup's user avatar
  • 161
0 votes
1 answer
190 views

VPN set up behind Router (Windows) [closed]

I have a computer that is connected to a basic router. How can I set up a VPN connection that will work over the internet? Or what do I need to set up a VPN connection behind a router? The computer ...
dare2k's user avatar
  • 101
19 votes
4 answers
16k views

EC2 drive not EBS volume size

I have an EC2 instance which I created a 500GB EBS volume for. Unfortunately, the EC2 instance shows only 8GB available. I have only one drive, which is right. [root@ip-10-244-134-250 ~]# ls -la /...
Christian's user avatar
  • 789
-3 votes
4 answers
529 views

Why is it recommended to work in Linux with a non-root user? [duplicate]

Possible Duplicate: What's wrong with always being root? The very first rule I've been taught about Linux is never to use root as your main user and I was wondering why
Itai Ganot's user avatar
  • 10.8k
3 votes
3 answers
9k views

optimizing ext[234] for small file throughput

I have a system that has a high throughput of small files on disk, i.e. a huge number of small files are created, written and deleted within seconds. Are there any reasonable ext2/ext3/ext4 mount ...
Michael's user avatar
  • 285
0 votes
1 answer
202 views

Passenger not running continuously

I am wondering if somebody could inform me of the correct behaviour for a Rails app running through Rack/Passenger, as I am seeing some unusual behaviour on a production system which has never been ...
KingyCronus's user avatar
1 vote
0 answers
253 views

Why this vhosts configuration keeps redirect other domains to one

I'm trying to add a second domain to nginx. It's ok to access static files like css in domain2.com but visits to php scripts (e.g domain2.com/index.php) will be 302 redirect to domain1.com (e.g ...
dotslashlu's user avatar
1 vote
3 answers
2k views

"Allow logon locally" policy missing on Win XP

My active directory (SBS 2003) domain users cannot log on locally to a given client machine (XP SP3). Logon with the domain admin works. I would like users to be able to logon locally to this ...
Philipp's user avatar
  • 505
2 votes
1 answer
22k views

Configuring nagios email notification using sSMTP on Ubuntu

I have configured nagios email notification and followed following steps: sSMTP configuration: #apt-get install ssmtp #vi /etc/ssmtp/ssmtp.conf [email protected] mailhub=smtp.gmail.com:...
Jerry's user avatar
  • 179
0 votes
2 answers
1k views

systemtap not initializing correctly on Ubuntu 12 (Precise)

I work at a firm with a certain amount of legacy batch-processes. Some of that stuff is really leaky when it comes to database connections. I need to log every process in the system, which opens a ...
Bryan Hunt's user avatar
4 votes
3 answers
567 views

Cisco network icon topology misleading, is it really considered standard?

Cisco says: Cisco icons are globally recognized and generally accepted as standard for network icon topologies However, some of those icons are very misleading, see for instance: So I hesitate to ...
Nicolas Raoul's user avatar
8 votes
2 answers
38k views

write permission denied via filezilla sftp to /var/www/html

Ok, I'm almost completely new to linux and apache configuration. My problem is that I've got apache displaying the default page, but when I try and access it via sFTP it tells me that I have write ...
Poodimizer's user avatar
0 votes
2 answers
8k views

What are EN, EP and EX platforms?

I keep hearing all these terms - EN, EP and EX level servers. What do these terms mean? What are they classifications of? How are they demarcated from one another? How are they different from the thin ...
Arpith's user avatar
  • 274
1 vote
2 answers
3k views

Am I uninstalling, installing Mysql the right way?

I changed my.cnv and nobody can connect to mysql again. So I decided to reinstall mysql. I did sudo aptitude purge mysql-server followed by sudo aptitude install mysql-server then I got this log: ...
user4951's user avatar
  • 173
2 votes
5 answers
158 views

Any advantage to building from source if I can get it from repo of a similar distro

I'm using Amazon Linux AMI, which seems to be some RHEL or CentOS offshoot. I've read that it should be binary compatible with RHEL. My question is: is there any advantage to compile a package from ...
sameold's user avatar
  • 993
0 votes
2 answers
382 views

Why Xen Cloud Platform XCP is not offering every feature as promised? [closed]

I have installed XCP (Xen Cloud Platform) 1.1 on my machine and installed XEN Centre (version 6.0) on my windows xp i created VM and its running just like in XEN server Free,but its not allowing to ...
Kevin Parker's user avatar
2 votes
4 answers
6k views

Sync files and folders in windows with commands

I am a Linux user. I am looking for a command line tool for Widows(2008 R2) for files & folders synchronization. I am looking for a tool like rsync in Linux. I have to synchronize between two ...
user53864's user avatar
  • 1,753
0 votes
1 answer
813 views

OSX 10.7.4 samba3.6.6 get_user_groups: failed to get the unix group list

Hello I've been running samba3 via mac ports on osx for quite sometime. I don't use it very often but recently I noticed I could no longer login. I know I've done system updates to osx, but now I ...
chrisan's user avatar
  • 997
2 votes
2 answers
9k views

How to request DHCP clients to resend their hostnames after a router reboots

Assume that I have a router with DHCP server on it (well, it is actually a dd-wrt router). After rebooting the router, all the DHCP clients's hostnames are lost: I couldn't see the names of the ...
user avatar
-3 votes
1 answer
1k views

Email server - redundant, mobile, and secure [duplicate]

Post deleted deleted deleted deleted deleted
Robot's user avatar
  • 121
2 votes
2 answers
6k views

How to update sources.list for Debian 4.0 Etch?

I am trying to update my /etc/apt/sources.list on my VPS. As I run apt-get update I get all kinds of 404s not found, for example: Failed to fetch http://debian.newdream.net/dists/etch/main/binary-...
amateur barista's user avatar
2 votes
0 answers
600 views

Under CITRIX, why would a user get the message "your smart card is blocked", when it really isn't?

I have a XenApp 5 farm, running under Win2k8 server. Sometimes a user's session will "hang", and when they attempt to connect to CITRIX after that, they'll see the standard authentication error "your ...
Chad's user avatar
  • 195
0 votes
1 answer
70 views

gather information about packet from malicious ip

I have a glassfish server running some webservice and I noticed that there is an abnormal traffic from japan (150.70.x.x) in my iptables log file and I dont have any user in this country . Until now ...
isoman's user avatar
  • 203
3 votes
5 answers
2k views

Incoming DDoS Attack, It Looks Like An ICMP Attack, So What Do I block? [duplicate]

I recently have been getting hit by an attack that is very small around 70MBPS but causes TONS of upload...All signs point to ICMP. I realized in my firewall I have CSF firewall running on CentOS, ...
Jeremy's user avatar
  • 31
7 votes
1 answer
29k views

How do I set the dns search domain in Ubuntu 12.04?

/etc/resolv.conf is dynamically generated from the contents of /etc/network/interfaces, which on my system contains a line like this: dns-servers 8.8.8.8 How do I include the default search domain ...
Arthur Ulfeldt's user avatar

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