The block tag has no wiki summary.
0
votes
6answers
88 views
how to block all traffic to my website and only allow me to visit the site [closed]
my website is new and there is tons of things i want to take care of before i open the website to public but i'm afraid of that maybe someone will visit the website using google like they searched ...
1
vote
1answer
24 views
Is it possible to block the addition of roles and features to Windows Server 2008 and 2012?
I apologize in advanced for anything that is no technically correct in the following. I am a beginner with server technology, and have only had about less than a month's experience with it.
Is there ...
-2
votes
0answers
29 views
Server blocks facebook debugger? [closed]
my problem is that facebook is probably getting blocked on one of my domains, because it had like 2k shares within few minutes.
However those two sites are on the same server and same folder..
...
-2
votes
1answer
78 views
How to mask out wireless by blocking a neighboring WiFi Access Point [closed]
I surely hope this question is not a duplicate of another; I had difficulty finding a cut and dry solution for this on my own, so I thought I might have some luck sharing it with the Hive Mind of ...
2
votes
1answer
73 views
Choosing file system block size
Considering unix/linux/bsdunix specific file systems:
How can I choose/know which block size to use while creating file system? Is there any specific block size value for a particular file system ...
0
votes
0answers
34 views
why cant a machine communicate to a server whereas other can?
I have a situation which i would need to connect to a server using port 1521 but failed. Im using windows server 2008 R2 Enterprise 64bit.
I have this situation:
Server A
Server B
Server C
Server D
...
8
votes
4answers
467 views
root full Linux. No free blocks
df -h reports the '/' partition to be 100% full.
While running du -hs * on each directory of this partition shows there is still lot of space.
tune2efs which reports just one block to be free. Ran ...
-2
votes
1answer
57 views
Is there a workaround if port 21 is blocked? [closed]
I am currently in my University and I want to upload some files to my shared hosting server through an FTP client. The problem is that the university block port 21.
I was wondering if there is some ...
0
votes
0answers
75 views
How to block/filter responses based on content-disposition in IIS 7.5?
I host an application which has a reporting component based on Crystal Reports and I don't have the ability to modify the application or its settings.
The reports are normally rendered as HTML but ...
1
vote
2answers
66 views
linux - centOS 6.2 block IP starts with
Is it possible to block an IP starting with?
For example i want to block ALL IPs that starting with
188.67.
Is there a command or a way for that?
My problem:
I have a game server, and A person ...
0
votes
1answer
102 views
how to disconnect users to MySQL but still allow admin login
Silly questions from a beginner: I wonder what is the best approach to : disconnect all users to MysQL but still allow console interactive connection, or admin connected from a MySQL Workbench?
I ...
1
vote
1answer
858 views
How do I configure iptables in DD-WRT to block Skype on br1 only?
Using DD-WRT on a Linksys router, I've got a private network set up as br0 and a guest network set up as br1.
I want to block access to Skype on only the guest network, and the easiest way I've seen ...
0
votes
0answers
30 views
Is there any program from win 7 that blocks all TCP connections by default, when a new connection is open asks me if I allow or not and remembers it? [closed]
Is there any program from win 7 that blocks all TCP connections by default, when a new connection is open asks me if I allow or not and remembers it?
I cannot find anything like this.. thanks
0
votes
0answers
211 views
How Does Proxifier Really Work?
My company use Microsoft ISA Proxy to block all type of connections, except HTTP & HTTPS (as far as I know). Even the ICMP packet is blocked (except sending ICMP to gateway).
Some domains are ...
0
votes
1answer
163 views
Block HTTPS traffic to only selected sites
The Squid at my office is currently set up as a transparent proxy. I tried to block sites like facebook.com and twitter.com and was successful because just typing in those domains do not default to ...
0
votes
0answers
63 views
block access to internet via browser but allow it from a specific android application in wifi network
I need to block the access of users connected to a wifi network to the internet via browser but still be able to allow traffic from an android application.
I am building a system where users can ...
1
vote
1answer
134 views
Postfix block senders outside from local domains
I would like to block every mail that is coming in from a domain that is running on my server.
Example: I have domain1.com on my mail server and I'm getting a mail from outside with an email address ...
3
votes
1answer
187 views
iptables - drop all HTTP(S) traffic but from CloudFlare
I would like to allow only HTTP(S) traffic coming from CloudFlare. In that way attackers cannot attack the server directly.
I know CloudFlare is not mainly a DDoS mitigator, but I would like to try ...
1
vote
1answer
33 views
Block IPs if they access a resource
I own a server that it's costantly being attacked by scripts (that try to access to phpMyAdmin's setup file's and stuff like this). I've heard that many people get this kinds of attacks, but I'm ...
5
votes
1answer
122 views
Apache block a domain?
Someone has pointed their domain (www.bomberball.net) to the same IP as my domain (www.kapparate.com) , and Google is now showing the former when searching for Kapparate, rather than the latter. ...
-1
votes
1answer
410 views
Free firewall for Windows Server 2003 [closed]
We have a Windows Server 2003 R2 Machine here at work that I need to ensure is accessible only from specific set of IP Addresses. The Server is on a LAN and I am aware that one of the possible ...
1
vote
1answer
21 views
Block port with dual response
Theoretically, could I block a service running on port x by starting some other service on x with it? Would it return two responses or one big mixed response?
0
votes
0answers
56 views
Block inbound connections from a domain in Windows Server 2008
i have a MS Windows Server 2008 with MS Exchange Server 2010 (no edge transport - no forefront security). I want to block a specific domain (hinet.net) cause we are receiving enormous amounts of ...
0
votes
1answer
184 views
Linux server blocking certain client without rule defined. How should I investigate?
One client is unable to access the CentOS server (can't ping or http).
Checking the rules in APF 9.7 (apf -l) and there seems no specific rule defined.
tracert shows each step and connection fine ...
1
vote
1answer
38 views
xfs incremental backup doesn't fit new disk
I have a 1TB xfs volumne on Amazon EBS, which contains 246GB of incremental backups, created with rsync and hardlinking. I want to copy this to a new, smaller disk.
The problem is it doesn't seem to ...
0
votes
0answers
123 views
csf how does connection tracking work and what is a safe limit?
I'm managing a server with a csf and valid users keep getting blocked. I'm not familiar with the csf system and I do not understand how some users are getting connections counts in excess of 300 as ...
1
vote
1answer
196 views
Squid domain block
i want lo block some porn domains, i tried this squid configuraztion:
acl localnet src 10.0.0.0/8
acl loggedUser proxy_auth REQUIRED
acl proxyUser external nt_group ProxyUser
acl pornDomains ...
-2
votes
1answer
162 views
block outbound traffic on hosting server, get alert on attempt to outbound attempt
So i want to block all unwanted out-bound traffic , specially traffic from unwarranted allowed ports both TCP and UDP and also get a email alert if any script or app tries to contact outbound port.
...
-5
votes
3answers
146 views
Cell Tower IP Address Blocks [closed]
I am thinking of creating an app that only allows users connected via a cell tower. Are there IP ranges that are only used by cell towers?
I realize that it may be a 'moving target', but does anyone ...
4
votes
4answers
583 views
Blocking EXE from executing in XP Domain environment
I was wondering if anyone could point me in the right direction on how to block specific exe files from executing on XP machines in a domain environment.
I have active directory setup and working so ...
2
votes
4answers
169 views
Reject all mail packages on all ports (outgoing) on Ubuntu
I just had a problem with our ISP; our internet connection was blocked because there was to much mail being send from our ip. The problem is that we all use gmail and that no mail is being send ...
0
votes
1answer
130 views
Remote to remote block level replication
I have to sync 2 iSCSI LUNs together at block-level (mandatory), asynchronous, only in the night, I found some tools to do it when Remote to Local or Local to Remote, but I cannot install anything on ...
0
votes
2answers
90 views
iptables -A INPUT -j DROP
I was dumb enough and just executed:
iptables -A INPUT -j DROP
This blocks everything of course :)
Is there any hope for me to somehow still connect to the server?
Thanks.
1
vote
2answers
1k views
Permanently blocking a domain in iptables
Suppose I want to block Facebook permanently. To do this, I have followed following processes:
#host -t a www.facebook.com
Sample output:
www.facebook.com has address 69.171.224.40
Find ...
0
votes
4answers
263 views
IP Address blocking best way to do this (in terms of security)?
I have had a user trying to hack into my server and muieblackcat pops up on my server, quite a few times.
I just wanted to get some advice as to the best way to protect against this ie should i ...
1
vote
1answer
183 views
How do I block google suggest through my firewall?
Im using cyberoam enterprise firewall. But I think this is a general question...I just want to know what port number or url I need to block to disable google suggest across the company.
1
vote
0answers
130 views
What does it imply if debugfs says Can't read next inode when doing inode scan?
I've got some bad sectors pending reallocation (based on smartmontools reports), and I'm trying to find out which file the sector is currently related to so that I can restore from a backup or such or ...
1
vote
2answers
133 views
Shared block device file system (cluster file system without networking)
Is there any file system that can be mounted multiple times and supports concurrent file access for Linux? Basically I want something like a cluster file system but without the need to have a running ...
-1
votes
1answer
123 views
How to configure IP tables to only allow ports 25 and 80
Hello I want to allow only ports 25 and 80 and all other ports to be closed.
I tried to configure my Ubuntu linux, but I dropped all the ports...
sudo iptables -F
sudo iptables -P OUTPUT ACCEPT
sudo ...
6
votes
3answers
4k views
EMC VNX iSCSI setup - unsure about SP/port assignment
We have a new VNX5300 waiting to get configured, and I need to plan out the network infrastructure before the EMC tech arrives. It has 4x1gbit iSCSI per SP (8 ports in total), and I'd like to get the ...
1
vote
1answer
546 views
How to block out an IP if there are too many incorrect passwords attempted via RDP? [duplicate]
Possible Duplicate:
Ban, slowdown or stop massive login attempts to RDP
There was an interesting thread about brute-force RDP attacks and one suggested solution that I liked was "set up so ...
0
votes
1answer
497 views
bind9: example.com works, www.example.com doesnt, and how to block urls
1)
I was following a guide to setup bind again after I formatted to Ubuntu 10.04.2 LTS.
http://doc.ubuntu.com/ubuntu/serverguide/C/dns-configuration.html#dns-primarymaster-configuration
I can get my ...
1
vote
2answers
1k views
How does ZFS Block Level Deduplication fit with Variable Block Size?
According to The First Google Result for "ZFS Deduplication"
...
What to dedup: Files, blocks, or bytes?
...
Block-level dedup has somewhat higher overhead than file-level dedup when whole ...
2
votes
2answers
2k views
Hadoop HDFS: set file block size from commandline?
I need to set the block-size of a file when I load it into HDFS, to some value lower than the cluster block size. For example, if HDFS is using 64mb blocks, I may want a large file to be copied in ...
1
vote
1answer
863 views
How can I prevent a process from running under Mac OSX 10.6?
Basically, there are some system processes that I want to prevent from running. If I force quit them, they simply restart. How can I prevent them from starting/relaunching.
Before you say that I ...
1
vote
1answer
511 views
How can I use fail2ban to block scrapers?
I have a media site and problems of users coming along and scraping all of the content.I placed a invisible URL on the page to catch spiders that immediately blocks the ip, but some people have ...
-10
votes
2answers
317 views
How to permanently and irrevocably block websites on Firefox? [closed]
With Internet Explorer it's simple: you go to the settings menu, add websites you want to block, just randomly enter a sequence of letters and numbers so you cannot ever know the password, and it's ...
1
vote
2answers
485 views
Block internet access to 2 client computers with SBS2003?
I am running Microsoft Small Business Server 2003 with Exchange. I would like to block internet access for two Windows XP client computers on the network. Can somebody talk me through this?
1
vote
2answers
297 views
How to block malformed requests to Apache
I'd like to block malformed requests like these:
79.26.188.208 - - [05/Apr/2011:13:47:38 +0200] "\xae\xe1\x0fi\xca\xeba\xdfm\x9d\xb5\xc0yr-n\x05Z\x9f\xa7\x05\xa1g" 200 4855 "-" "-"
82.51.130.83 - - ...
1
vote
3answers
1k views
nginx Block IP based on URI in one 'location'
There is currently a block of one location /
location / {
root /var/www/docs;
proxy_pass http://backend;
proxy_buffering on;
proxy_buffer_size 64k;
proxy_buffers ...
