Usually i try to resolve issue by my self, but in this case i am lost ;-)
I had install suiteCRM 7.8.2 on my server (managed with plesk onyx)
Everything work great except one thing :
When i am trying to save a pdf template or an email template, i get an 403 error (Fobidden acces)
Things i have already done :
trying chmod 777 for all files and folders of suiteCRM => Not working
Change permission in config.php => Not working
Quick Repair => Not working
Delete cache folder => Not working
hitting on my laptop => Not working ... grrr..
I have no access to more information, in browser console i can see that SuiteCRM trying to send POST request to index.php and index.php answer 403 error, nothing in log file in debug mode...
I don't have more ideas ....
Thank you.
Rémi.
Solved :
I have look "/var/www/vhosts/system/YOUR-DOMAIN.COM/logs"
[Sun Apr 02 21:34:58.173943 2017] [:error] [pid 29185] [client 82.227.112.246] ModSecurity: Access denied with code 403 (phase 2). Match of "rx ((?:submit(?:\\+| )?(request)?(?:\\+| )?>+|<<(?:\\+| )remove|(?:sign ?in|log ?(?:in|out)|next|modifier|envoyer|add|continue|weiter|account|results|select)?(?:\\+| )?>+)$|^< ?\\??(?: |\\+)?xml|^> ?$)" against "ARGS:sample" required. [file "/etc/apache2/modsecurity.d/rules/tortix/modsec/50_plesk_basic_asl_rules.conf"] [line "308"] [id "350147"] [rev "143"] [msg "Protected by Atomicorp.com Basic Non-Realtime WAF Rules: Potentially Untrusted Web Content Detected"] [data ""] [severity "CRITICAL"] [hostname "XXXXXXXX"] [uri "/SuiteCRM/index.php"] [unique_id "WOFSYtX2OSwAAHIBsoAAAAAF"]
It's modsecurity firewall !
So i have disabled the 350147 rules from modsecurity (https://docs.plesk.com/en-US/12.5/administrator-guide/73383/ + Switching off Rules)
It's work !
Thanks to UFHH01 , i love you ;-)
Related
Is it possible to set up a reverse proxy in ISPConfig?
I tried this setting on a subdomain, but I only receive a error 500.
The /var/www/influxdb2.*******.***/log/error.log says the following:
==> error.log <==
[Fri Jan 01 21:24:15.963158 2021] [proxy:warn] [pid 30333] [client ***.***.***.***:59356] AH01144: No protocol handler was valid for the URL /favicon.ico (scheme 'http'). If you are using a DSO version of mod_proxy, make sure the proxy submodules are included in the configuration using LoadModule., referer: https://influxdb2.*******.***/
For me, the proxy_http mod was missing.
Enable it via sudo a2enmod proxy_http and restart your apache with systemctl restart apache2 (thanks to https://serverfault.com/questions/773449/no-protocol-handler-valid-for-the-url-with-httpd-mod-proxy-balancer).
Also note that the "redirect type" setting sometimes seems to reset itself to "none" on saving (or at least does not display the correct value on loading the page as of ISPConfig 3.2.1). So double check that setting if something does not work.
For the "Domain" tab, settings are pretty straightforward. Just enter your domain and probably enable Let's Encrypt.
Note that this seems to use mod_rewrite for proxying. The Apache2 documentation on mod_rewrite states that better ProxyPass of mod_proxy should be used instead. So if anything breaks with some applications, this might be a starting point for further investigations (worked for me for reverse proxying to the HTTP endpoint of InfluxDB 2.0.3 at http://localhost:8086).
I have a very simple situation but I can't figure out how regex works...
I have an application generating a log only when a login problem occurs. So there is no line in log except in case of wrong login or in case of attempt to reset a password too many times. So potentially, I don't even need to search a particular string in log, any entry matches. Here is a log example :
2019-10-20 18:44:35 127.0.0.1 login.php : Authentication error - account not initialized : client XXXX, login YYYY
2019-10-20 21:31:17 127.0.0.1 login.php : Authentication error - password error : client XXXX, login XXXX
2019-10-20 21:29:39 127.0.0.1 login.php : Authentication error - client contains wrong chars : client XXXX, login YYYY
2019-10-21 06:25:25 127.0.0.1 login.php : Authentication error - account locked : client XXXX, login YYYY
2019-10-21 06:48:11 127.0.0.1 user.php : Authentication - Unlocking : client XXXX, login YYYYY
I have a problem with regular expression cause I can't understand how it works (for years). All I tried give me errors when I start fail2ban : Unable to compile regular expression, No failure-id group in 'Authentication error', ... Damned, it looks so easy !
Finally...
[INCLUDES]
before = common.conf
[Definition]
failregex = <HOST> .* Authentication
Please note this works but I found without understand anything. If someone has a link where how fail2ban works is explained. I found many but none of them have clear explanations.
The main trick is the fact that error.log files look different from tutorials and you need to rewrite failregex manually. Another trick is that <HOST> is a predefined regexp that tries to match an ip but it could match something like datetime instead
In such case like
[Tue Nov 08 03:03:03.349852] bla-bla [client 1.2.3.4:5] bla-bla xxx bla-bla
In case you're banning when xxx appear
[Definition]
failregex = client <HOST>(.*)xxx
Sadly quick google search upon fail2ban and tutorials indeed explain little. I also wanted to ban by simple string match.
I have a CGI script to load publications from BibBase:
#!/usr/bin/perl
use LWP::UserAgent;
my $url = 'https://bibbase.org/show?bib=http://www.example.com/pubs.bib';
my $ua = LWP::UserAgent->new;
my $can_accept = HTTP::Message::decodable;
my $response = $ua->get($url, 'Accept-Encoding' => $can_accept);
print "Content-type: text/html\n\n";
print $response->decoded_content;
(This is copied from BibBase with the exception that the URL is hard-coded.)
I have three webservers running RHEL7 and Apache 2.4 that are configured the same way by Puppet. On all three I can run the script on the command line and get the expected results:
[root#server1 cgi-bin]# ./bibbase_proxy2.cgi | head
Content-type: text/html
<img src="//bibbase.org/img/ajax-loader.gif" id="spinner" style="display: none;" alt="Loading.." />
<div id="bibbase">
<script type="text/javascript">
var bibbase = {
params: {"bib":"http://www.example.com/pubs.bib","host":"bibbase.org"},
When I try to run the script with CGI, I get three different results:
Server1
Unrecognised protocol tcp at /usr/share/perl5/LWP/Protocol/http.pm line 31.
Server2
Can't connect to bibbase.org:443 System error at /usr/share/perl5/LWP/Protocol/http.pm line 51.
Server3
No http output and the error log says AH01215: Out of memory!.
I can't find anything different between the three servers and I can't figure out why the script works fine on the command line and doesn't work when run as a CGI.
I have selinux in permissive mode and it is logging the outgoing request, so I know the script gets that far:
type=AVC msg=audit(1532465859.921:331235): avc: denied { name_connect } for pid=161178 comm="perl" dest=80 scontext=system_u:system_r:httpd_sys_script_t:s0 tcontext=system_u:object_r:http_port_t:s0 tclass=tcp_socket
For testing, I have set selinux to disabled and restarted the server.
SE-Linux denied the TCP connection.
avc: denied { name_connect }
The default access controls for networking by SELinux are based on the labels assigned to TCP and UDP ports and sockets. For instance, the TCP port 80 is labeled with http_port_t (and class tcp_socket). Access towards this port is then governed through SELinux access controls, such as name_connect and name_bind.
When an application is connecting to a port, the name_connect permission is checked. However, when an application binds to the port, the name_bind permission is checked.
Permissive mode or not, Perl is acting like it was denied a TCP connection. Unrecognised protocol tcp means getprotobyname("tcp") failed inside IO::Socket::IP. That's very, very unusual. One of the ways that can happen is via exactly that SELinux denial.
I'm no SELinux expert, but according to RedHat and Gentoo some SELinux aware applications will ignore the global permissive setting and go it alone. RHEL 7 Apache appears to be one of them. It appears to have its own domain which must be set permissive.
On all three I can run the script on the command line and get the expected results:
There's two reasons for that, and they both have to do with users.
When you run the program you're running as your own user with your own configuration, permissions, and environment variables. In fact, you ran it as root which usually bypasses restrictions. When it runs on the server it runs as a different user, probably the web server user with severe restrictions.
In order to do a realistic test, you need to run it as the same user the web server will. You can use sudo -u for this. For example, if the user is apache...
sudo -u apache ./bibbase_proxy2.cgi
BTW Do not test software as root! Not only is it not going to give you sensible results, but if there's a bug in the software there are no safeguards preventing it from wrecking your system.
The second problem is #!/usr/bin/env perl. That means to run whatever perl is in your PATH. PATH will be different for different users. Running ./bibbase_proxy2.cgi may run with one Perl on the command line and a different one via the web server.
In a server environment, use a hard coded path to Perl like #!/usr/bin/perl.
We tested by rewriting the same script in Python and PHP. Both of them showed error which pointed us in the right direction.
Python urllib2 produced the error
<class 'urllib2.URLError'>: <urlopen error [Errno 16] Device or resource busy>
args = (error(16, 'Device or resource busy'),)
errno = None
filename = None
message = ''
reason = error(16, 'Device or resource busy')
strerror = None
PHP (run as CGI) wouldn't even start:
[Wed Jul 25 15:24:52.988582 2018] [cgi:error] [pid 10369] [client 172.28.6.200:44387] AH01215: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/curl.so' - libssh2.so.1: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
[Wed Jul 25 15:24:52.988980 2018] [cgi:error] [pid 10369] [client 172.28.6.200:44387] AH01215: PHP Warning: PHP Startup: Unable to load dynamic library '/usr/lib64/php/modules/dba.so' - libtokyocabinet.so.9: failed to map segment from shared object: Cannot allocate memory in Unknown on line 0
---- Similar lines for all extensions. ----
It appears that RLimitMEM blocks access to shared memory and that is required for opening sockets. I can't find any documentation, but removing that line makes it work.
wget hangs there while it accesses the following website. But when I use a browser to access it, it will be redirected to https://nyulangone.org. Does anybody know why wget can not get redirected in this case? Thanks.
$ wget http://nyumc.org
--2018-02-20 20:27:05-- http://nyumc.org/
Resolving nyumc.org (nyumc.org)... 216.165.125.106
Connecting to nyumc.org (nyumc.org)|216.165.125.106|:80...
When I used wget on the site you mentioned, this is what I get:
--2018-02-21 21:16:38-- http://www.nyumc.org/
Resolving www.nyumc.org (www.nyumc.org)... 216.165.125.112
Connecting to www.nyumc.org (www.nyumc.org)|216.165.125.112|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 179 [text/html]
Saving to: ‘index.html’
index.html 100%[==================================>] 179 --.-KB/s in 0s
2018-02-21 21:16:38 (8.16 MB/s) - ‘index.html’ saved [179/179]
In the index.html file, which bears the logo of NYU Langone Medical Center, it says: "The following URL has been rejected for security concerns. If you believe you have received this message in error, please summit an incident with our helpdesk at 212-263-6868..." So, it may not redirect because the website can detect that you are a bot and not a browser. You could attempt to change the user agent string and other HTTP headers to avoid detection, but I'm not sure why you wouldn't just turn wget on https://nyulangone.org. Judging from information on archive.org, nyumc.org has been redirecting to other sites for at least the last 5 years. It was redirecting to http://www.med.nyu.edu until 2016, at which point it started redirecting to https://www.nyulangone.org.
I hope that helps.
I am trying to install a custom service using these instructions and these commands to add the service. When I issue the curl command, instead of getting added, I get this error:
HTTP/1.1 400 Bad Request
Set-Cookie: AMBARISESSIONID=ID;Path=/
Expires: Thu, 01 Jan 1970 00:00:00 GMT
Content-Type: text/plain
Content-Length: 139
Server: Jetty(7.6.7.v20120910)
{
"status" : 400,
"message" : "Unsupported or invalid service in stack, clusterName=MahiMahi, serviceName=TESTSRV, stackInfo=HDP-2.1"
}
What is going on here? My cluster is installed perfectly and I can see the dashboard and metrics and stuff. Just can’t seem to add a custom service. Please help out. Thanks!
I figured out what was wrong. When using Ambari 1.6.1, it automatically downloads and uses HDP 2.1. The folder structure in the link says: cd /var/lib/ambari-server/resources/stacks/HDP/2.0.6/services. I changed it to: cd /var/lib/ambari-server/resources/stacks/HDP/2.1/services. Problem solved. So stupid. So simple. So much frustration. Such hopeless documentation.