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Home Network SSL Checker screenshot 0
Home Network SSL Checker screenshot 1
Home Network SSL Checker screenshot 2
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Home Network SSL Checker

Olaf Titz
Trustable Ranking IconTrusted
1K+Downloads
501.5kBSize
Android Version Icon2.1+
Android Version
1.5(16-05-2018)Latest version
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(0 Reviews)
Age ratingPEGI-3
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Description of Home Network SSL Checker

The standard Android applications for mail, calendar, contacts etc. can synchronize against SSL-protected servers but have no option to check their certificate. Basically, it is possible to either check if the certificate is issued by one of the standard (before Android 4.0, not user-editable) CAs, or not check them at all. This is not enough to reliably assert the identity of the server, which presents the risk of giving sensitive information (account passwords) to the wrong server. This problem is especially important when the server is on a semi-permament connection and found via dynamic DNS, uses self-signed or private-CA certificates, or when using public WiFi hotspots (which are rather trivial to fake and therefore are a regular MitM-attack vector).


This app checks in configurable intervals if a given HTTPS URL is reachable and the server identifies itself with the right certificate. It consists of a home screen widget displaying the status with colored "signal lights":


* green, if the connection is okay


* yellow, when a check is underway


* red, when the server is unreachable


* double red, when the server gives errors or fails certificate checking


* small white, when checking is not needed


When checking and when an error happens, the global synchronization setting is turned off. This way you should be reasonably safe that the synchronization does not try to connect to a server whose identity is not verified, given it is the same server as the one you check.


This is an open source (GPL) app. Source and further documentation is available via my Web site.


Permissions needed:


INTERNET - connect to your server (nowhere else)


ACCESS_NETWORK_STATE - determine your connection (WLAN, mobile...) to find out if checking is needed


READ_SYNC_SETTINGS, WRITE_SYNC_SETTINGS - turn sync off on checking or error


RECEIVE_BOOT_COMPLETED - automatic start (if possible, depending on Android version)


READ_EXTERNAL_STORAGE - read certificates from memory or SD card

Home Network SSL Checker - Version 1.5

(16-05-2018)
Other versions
What's new[1.5]KitKat compatibility: Require additional permission to read a certificate file from USB storage.Now uses file manager to find certificates if none found internally.Added high-resolution images.[1.4]Configuration option to not display a notification for "single-red".Note: on reboot, under some circumstances, the widget won't start. That's a documented Android restriction.Tap on the widget and "Check now" when it remains grey.

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Good App GuaranteedThis app passed the security test for virus, malware and other malicious attacks and doesn't contain any threats.

Home Network SSL Checker - APK Information

APK Version: 1.5Package: de.inka.bigred.homenetchecker
Android compatability: 2.1+ (Eclair)
Developer:Olaf TitzPermissions:6
Name: Home Network SSL CheckerSize: 501.5 kBDownloads: 1Version : 1.5Release Date: 2020-05-19 09:45:59Min Screen: SMALLSupported CPU:
Package ID: de.inka.bigred.homenetcheckerSHA1 Signature: 00:D2:20:74:79:67:33:76:7A:C7:C1:D6:F5:F2:49:EB:FA:A6:20:58Developer (CN): Olaf TitzOrganization (O): private developerLocal (L): MunichCountry (C): DEState/City (ST):

Latest Version of Home Network SSL Checker

1.5Trust Icon Versions
16/5/2018
1 downloads501.5 kB Size
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