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  • How to force or redirect to SSL in nginx?

    - by Callmeed
    I have a signup page on a subdomain like: https://signup.mysite.com It should only be accessible via HTTPS but I'm worried people might somehow stumble upon it via HTTP and get a 404. My html/server block in nginx looks like this: html { server { listen 443; server_name signup.mysite.com; ssl on; ssl_certificate /path/to/my/cert; ssl_certificate_key /path/to/my/key; ssl_session_timeout 30m; location / { root /path/to/my/rails/app/public; index index.html; passenger_enabled on; } } } What can I add so that people who go to http://signup.mysite.com get redirected to https://signup.mysite.com ? (FYI I know there are Rails plugins that can force SSL but was hoping to avoid that)

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  • When can an FTP server close its passive connections?

    - by Don Kirkby
    Does the FTP protocol allow the server to close any of its passive connections while the client is still connected? Can it tell when the client is finished receiving and then close the connection? I'm including an FTP server in my application using the pyftpdlib Python project. I've got it to work in active and passive mode, but I'm a bit concerned about when it closes its passive connections. I've tried connecting to it with both FileZilla and the default ftp command in Ubuntu, and in both cases, I get a new passive port for every request. That is, if I sit in the root folder and type ls 10 times, I use up 10 ports. This means that I have to allocate a big block of passive ports for the FTP server to use so it won't run out. As soon as the client disconnects, the server releases all the passive connections associated with that client and those ports can be reused. However, a long-running connection could use up a lot of ports.

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  • Best way to log internet traffic for office network via remote IP

    - by buzzmonkey
    We have a network of about 40 machines running either Win XP or 7 in our office via LAN switches into 1 x Netgear Router (WNDR3700). We have noticed recently that our local network has been added to the CBL Blacklist due to one of our machines being infected with Torpig. I have attempted to use Kaspersky's TDSSKiller Antirootkit Utility to find the infected machine but all appear to be clear. The CBL register advises to find the local machine which is connection to the remote IP address (CBL has provided the range). However, our router does not have the ability to block remote IP addresses - does anyone know of a software which can log all the internet traffic, which we can then use to find the infected machine.

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  • Process vsserv.exe attempts connection to unknown host (clients.your-server.de)

    - by pushpraj
    from past few day I notice a new connection is being made from my system, I discovered it within the outpost firewall, it is blocked by default with the reason Block Transit Packets in the image above you can see that the process vsserv.exe is attempting a connection to static.88-198-155-41.clients.your-server.de I tried to search on google but could not find any relevant info, however this link http://www.webmasterworld.com/search_engine_spiders/3963600.htm says that your-server.de hosts bad bots. I am bit concerned if something is not correct. Could you help me understand the same?

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  • Raid system fails to boot after moving from 2.6 kernel to 3.5

    - by user846226
    I'm running Gentoo Linux with a custom compiled kernel and I've just migrated from a 2.6 kernel to a 3.5. As my HD's are on RAID 0 mode I use a custom initrd file in order to be able to boot. While kernel 2.6 is able to boot without problems the new 3.5 compiled kernel fails to boot complaining about no block devices found. After taking a look at initrd.cpio contained scripts I can see the failure message is given by mdadm tool. Does anyone has a clue about that? Edit: this morning i noticed there was some kind of issue on my old initrd which works fine for 2.6 kernels, so created a new initrd which works fine and let me to boot into GNU/Gentoo Linux with same 3.5 bzImage. It could be an issue of mdadm, gonna check it. https://bugs.gentoo.org/show_bug.cgi?id=416081

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  • How do you synchronise huge sparse files (VM disk images) between machines?

    - by chrisdew
    Is there a command, such as rsync, which can synchronise huge, sparse, files from one linux server to another? It is very important that the destination file remains sparse. It may be longer (but not bigger) than the drive which contains it. Only changed blocks should be sent across the wire. I have tried rsync, but got no joy. groups.google.com/group/mailing.unix.rsync/browse_thread/thread/94f39271980513d3 If I write a programme to do this, am I just reinventing the wheel? http://www.finalcog.com/synchronise-block-devices Thanks, Chris.

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  • How to stop domain users from installing any software?

    - by Chris
    Hi everyone, I was wondering which policies, etc I could setup to stop any installations from occurring in a server 2003 domain environment? I have 2003 RC2 and XP Pro clients. I guess the quick easy way is to make everyone guests, but this also blocks them from other things that they might need to do/access. I've seen a lot of ideas but they do not fully block everything. I know there probably isn't a fix all but would like to get as close as possible. Thank you all,

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  • Windows Server 2008 constantly spamming external IP's on outbound TCP port 445

    - by RSXAdmin
    Hi Server Fault, I have a Windows Server 2008 box running as a Domain Controller. I have noticed in my Cisco ASA firewall logs that this box is continuously sending out (like a thousand requests a second) requests on TCP port 445 to external hosts. I have made an effort to deny this outbound traffic from getting on the internet (using the ASA), however I would like these requests to stop from even occurring at all. I have tried disabling TCP/IP over NetBIOS. I have even turned on Windows Advanced Firewall on the box itself to block outbound 445 but the ASA still detects this particular traffic hitting it. I have other DC's and similar type boxes which are not behaving the same way as this box. Is this normal? Is there a way to stop this spamming? Have I been infected? Thank you universe.

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  • Is it possible to impersonate another WAP by intercepting communication with other client?

    - by OSX NINJA
    There is a well known WAP that lots of people use. Someone comes in with a laptop equipped with a sniffer. The laptop sniffs people trying to log on to the WAP. It intercepts the connection, and when people try to log on to the WAP, they unknowingly log on through that person's laptop instead. All communication between the WAP and people's laptops go through that person's laptop. That person's laptop is able to block access to certain websites that the WAP would normally allow.

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  • Home Directory Folders

    - by George
    I am looking for a way to acomplish the following: Currently users have home drives mapped via AD profile as follow: \\fileserver\users\username However if once a user was able to access \\fileserver\users and view everyones folder, but had no access to them. This is not ideal since we have people saving important stuff to on their drives. How can I restrict users permissions and views only to THEIR home drives? I also saw this solution, but not sure if it would apply to me: ================================================================================ Share level permissions - Everyone full permission and remove all others On the file/folder level set the following: Authenticated users special permissions on the root of the \\server\homeshare\ to Check the boxes next to the following: Traverse folder / execute file List Folder / read data Read attributes Read extended attributes / List item All other boxed leave unchecked and make sure you apply "This Folder Only" Domain Adminsfull rights and apply “this folder, subfolders, and files” This will block the users from accessing other user home directories. When you create the new user and set the home directory it will create the folder for you with the correct permissions.

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  • Exchange Server 2003 Drive Error

    - by Saif Khan
    My exchange box went offline this AM. The logs show The device, \Device\Harddisk1, has a bad block. I tried running chkdsk D: /x /r but that didn't help either. I went to the Exchange Manager and tried to move the .stm file from D: to C: but got Exchange System Manager The database files in this store are corrupted. ID no: c104173b Exchange System Manager What else is there to try just to get this online for a few hours until I can get onsite to change the drive. This is a Windows Server 2003 server.

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  • Virtual Screen Splitter

    - by dabest1
    I am looking for a utility that will allow my screen to be split into two sections. I would like to do this so that programs can easily fill or get sized properly to one part of the screen. This way I can pretend that I have a separate monitor for working on my stuff, while my kids can watch something on the other side. In addition, this should help prevent any popups covering up their side of the screen. Although Windows 7 comes with ability to drag a program window to a side and it becomes sized to half of the screen automatically, this is insufficient for me. I would like to make sure that any programs I launch or any pop-ups that open up, do not block the other side of the screen, even for a short time. Also, I am not looking for a virtual OS solution, as in VirtualBox.

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  • routing weirdness - traceroute 'vanishes' en route

    - by The Journeyman geek
    I'm attempting to set up one of my boxes as a server (again), but i'm having some odd connection issues- the box itself connects fine to the internet, but trying to connect to my external ip address seems to result in the trace getting 'lost' partway. http://pastebin.com/HCQAGbvn - this is a traceroute from another system that's connected to another ISP - starhub is my own one, while i have another system that i have access to on singtel. I'm wondering if my ISP is messing around with routing, or is something very odd going on. As you note, the traceroute dosen't reach me, but if it helps, i use a dd-wrt router. edit: Facepalmishly, turning the firewall on my router on and off fixed it. I don't get why it dropped off at different ip addresses each time, or why the router set it self to block.. everything, or why it affected the ipv6 tunnel as well.

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  • Is it normal for a SAS drive to have a few bad blocks, or should I replace my drive ASAP?

    - by Nate
    I have a drive—part of a RAID 1 mirror—that has two bad blocks. Adaptec Storage Manger e-mailed me when it detected the blocks. It shows 4 medium errors for that drive, but state is still “optimal”. This is my first time using Adaptec RAID controllers. I don’t know if an occasional bad block is normal, or if I should immediately replace that drive. Update: The drive failed later the same day! The disk subsystem is: Adaptec 6405 with ZMM (2) Seagate near-line SAS drives (ST31000424SS) The other drive hasn’t reported any bad blocks yet. I am running a consistency check.

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  • Prevent URLs from specific domains from being saved in Firefox history

    - by noam
    I want to prevent or block URLs of specific domains from being saved or shown in my history. I want to be able to go to these certain websites normally, just not have them saved and not have to use private or incognito mode. For instance, I don't want any of Google's search result pages to be saved in my history since then when I use the awesomebar I get a lot of Google's search results, which are of no use to me. Of course I can keep on deleting them, but I would like a way to specify that any URL starting with www.google.com shouldn't be saved.

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  • How to allow a single domain name with iptables

    - by Claw
    I am looking for a way to make iptables only accept requests for my domain name and reject the others. Lately I misconfigured my apache proxy, it is now fixed, but I keep receiving a load of requests looking like that : xxxx.xx:80 142.54.184.226 - - [12/Sep/2012:15:25:14 +0200] "GET http://ad.bharatstudent.com/st?ad_type=iframe&ad_size=700x300&section=3011105&pub_url=${PUB_URL} HTTP/1.0" 200 4985 "http://www.gethealthbank.com/category/medicine/" "Mozilla/4.0 (compatible; MSIE 5.5; Windows NT 4.0)" xxxx.xx:80 199.116.113.149 - - [12/Sep/2012:15:25:14 +0200] "GET http://mobile1.login.vip.ird.yahoo.com/config/pwtoken_get?login=heaven_12_&src=ntverifyint&passwd=7698ca276acaf6070487899ad2ee2cb9&challenge=wTBYIo2AEdMFr6LtdyQZPqYw9FS9&md5=1 HTTP/1.0" 200 425 "-" "MobileRunner-J2ME" which I would like to block. How can I manage this ?

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  • how to clone a physical "individual partition" vmdk into a "local" (file-based) vmdk?

    - by BJH
    Hello. I have a physical disk with a small (60GB) partition containing my guest OS. The physical disk also contains a large (240GB) block of unpartitioned space. My vmdk is defined as a physical "individual partition". I want to convert the source physical "individual partition" vmdk into a local (file-based) vmdk. The command - vmware-vdiskmanager -r sourcevmdk targetvmdk -t 2 creates a 300GB vmdk that includes both the desired 60GB "individual partition" and the 240GB of useless unpartitioned space ! How can I create a local vmdk with just the individual partition?

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  • How to throw a 404 error from htaccess?

    - by John Isaacks
    Everything I find seems to be about created a custom 404 page. That is not what I am trying to do. If I want to block access to a page I can do this in htaccess: RewriteRule pattern - [F] However, "Forbidden" hints that the page does exists. I want the page to appear to not even exist. So I would like to give a 404 error instead of a 403. Then have it render whatever 404 page would render if the resource really wasn't there. How can I do that?

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  • HTTPS redirects in nginx

    - by CadentOrange
    I'm trying to redirect all HTTP traffic to HTTPS. The web server I'm using is nginx. This is the server block I'm using to do the redirect. server { listen 80; rewrite ^ https://$server_name$request_uri? permanent; } This successfully redirects URLs like http://localhost to https://localhost. However, for URLs like http://localhost/table/ I get redirected to https://table which is incorrect. I would like it to re-direct to https://localhost/table/ Any help would be much appreciated. Update: It seems that the rewrite scheme has a problem with trailing slashes. For example, http://localhost/table gets correctly redirected but http://localhost/table/ does not.

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  • NFS of NAS server blocks in cluster environment

    - by Zardoz
    In our department we have an Iomega NAS (px4-300d) connected to a Supermicro cluster with 5 nodes (12 cores per node). Each node mounts a share on that NAS by using NFS. Unfortunately after some time (several minutes) of permanent read/write operations (from all nodes) the NAS starts to block and a bit later freezes completely. We tried several options of the mount command, but nothing helped (async, intr, wsize, rsize). The NAS itself doesn't allow many options (better to say none). Do you have any recommendation how to integrate a NAS using NFS in a cluster environment?

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  • Excel Matching problem with logic expression

    - by abelenky
    I have a block of data that represents the steps in a process and the possible errors: ProcessStep Status FeesPaid OK FormRecvd OK RoleAssigned OK CheckedIn Not Checked In. ReadyToStart Not Ready for Start I want to find the first Status that is not "OK". I have attempted this: =Match("<>""OK""", StatusRange, 0) which is supposed to return the index of the first element in the range that is NOT-EQUAL (<) to "OK" But this doesn't work, instead returning #N/A. I expect it to return 4 (index #4, in a 1-based index, representing that CheckedIn is the first non-OK element) Any ideas how to do this?

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  • Log with iptalbes which user is delivering email to port 25

    - by Maus
    Because we got blacklisted on CBL I set up the following firewall rules with iptables: #!/bin/bash iptables -A OUTPUT -d 127.0.0.1 -p tcp -m tcp --dport 25 -j ACCEPT iptables -A OUTPUT -p tcp -m tcp --dport 25 -m owner --gid-owner mail -j ACCEPT iptables -A OUTPUT -p tcp -m tcp --dport 25 -m owner --uid-owner root -j ACCEPT iptables -A OUTPUT -p tcp -m tcp --dport 25 -m owner --uid-owner Debian-exim -j ACCEPT iptables -A OUTPUT -p tcp -m limit --limit 15/minute -m tcp --dport 25 -j LOG --log-prefix "LOCAL_DROPPED_SPAM" iptables -A OUTPUT -p tcp -m tcp --dport 25 -j REJECT --reject-with icmp-port-unreachable I'm not able to connect to port 25 from localhost with another user than root or a mail group member - So it seems to work. Still some questions remain: How effective do you rate this rule-set to prevent spam coming from bad PHP-Scripts hosted on the server? Is there a way to block port 25 and 587 within the same statement? Is the usage of /usr/sbin/sendmail also limited or blocked by this rule-set? Is there a way to log the username of all other attempts which try to deliver stuff to port 25?

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  • Is it necessary to have firewalls rules between trusted nodes communicating on their backend interfaces?

    - by Tom
    I have 6 nodes that have internet access on eth1 and private access to one another on eth0. Currently I have firewall rules for eth0, for things like memcached and NFS. Is this necessary? It's a real headache as NFS for example communicates on loads of different ports, and I recently introduced glusterfs which needs more still. Is the headache of figuring out what backend ports to unblock worth the security enhancement? I should mention that I will of course still have a firewall rule on eth0 to block servers owned by others in the same datacenter. Thanks

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  • Volume expanded in Volume Group, old disk reduced but still in use in system

    - by Yurij73
    Tryed to add a new hard sdb (not formated) to my virtualbox Centos. Successfully extended an existing vg_localhost to /dev/sdb/ # lvdisplay --- Logical volume --- LV Path /dev/vg_localhost/lv_root LV Name lv_root VG Name vg_localhost LV UUID DkYX7D-DMud-vLaI-tfnz-xIJJ-VzHz-bRp3tO LV Write Access read/write LV Creation host, time localhost.centos, 2012-12-17 LV Status available # open 1 LV Size 18,03 GiB Current LE 4615 Segments 2 Allocation inherit Read ahead sectors auto - currently set to 256 Block device 253:0 lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sdb 8:16 0 20G 0 disk +-vg_localhost-lv_root (dm-0) 253:0 0 18G 0 lvm / +-vg_localhost-lv_swap (dm-1) 253:1 0 2G 0 lvm [SWAP] sda 8:0 0 9G 0 disk +-sda1 8:1 0 500M 0 part /boot +-sda2 8:2 0 8,5G 0 part sr0 11:0 1 1024M 0 rom df -h /dev/mapper/vg_localhost-lv_root 6,5G 6,2G 256M 97% / tmpfs 499M 200K 499M 1% /dev/shm /dev/sda1 485M 78M 382M 17% /boot it still old sda in use, what i have to do further?

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  • send mail via smtp on debian 6?

    - by acidzombie24
    i followed this tutorial http://library.linode.com/email/exim/send-only-mta-debian-6-squeeze?format=print When i got to the end, i sent the email to [email protected]. I didnt receive it. I didnt get spam either, i got nothing. I also didnt get an error message on the console. How do i properly sent up a smtp server and send an email from it? I'll not i am testing this on my VM on my local computer. My ISP doesnt block any traffic whatsoever (which is one reason why i use them) so... what can i do? i also tried this tutorial

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