sentinel | command line tool able to protect Windows 32 bit programs | Hacking library
kandi X-RAY | sentinel Summary
kandi X-RAY | sentinel Summary
sentinel is a command line tool able to protect windows 32 bit programs against exploits targeted by attackers or viruses. it can protect your programs against 0-day attacks or publicly known bugs. when a 0-day attack is used in the wild, nobody knows about the existence of this bug except the attacker himself. some antiviruses implement heuristics to detect new attacks but usually they are unreliable. sometimes, your computer is not up to date, in this case you are vulnerable to attacks against public bugs. in both cases, one way to protect your "vulnerable programs" against old or new attacks is adding extra protections (usually, exploit mitigations). ##what kind of programs can sentinel protect?. any 32 bit
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Currently covering the most popular Java, JavaScript and Python libraries. See a Sample of sentinel
sentinel Key Features
sentinel Examples and Code Snippets
Lines of Code : 4License : Non-SPDX (Apache License 2.0)
Copydef __repr__(self):
return "{}\n {}".format(
super(AttributeSentinel, self).__repr__(),
{k: v.in_cached_state for k, v in self.attributes.items()}) public static void main(String[] args) {
SpringApplication.run(SentinelApplication.class, args);
} function i(e){try{return Object.defineProperty(e,"sentinel",{}),"sentinel"in e}catch(t){}} Community Discussions
Trending Discussions on sentinel
QUESTION
So right now we are trying to get a Bitnami Redis Sentinel cluster working, together with our Rails app + Sidekiq.
We tried different things, but it's not really clear to us, how we should specify the sentinels for Sidekiq (crutial part is here, that the sentinel nodes are READ ONLY, so we cannot use them for sidekiq, since job states get written).
Since on Kubernetes there are only 2 services available: "redis" and "redis-headless" (not sure how they differ?) - how can I specify the sentinels like this:
...ANSWER
Answered 2022-Mar-08 at 20:51Let's get started by clarifying the difference between a Headless Service and a Service.
A Service allows one to connect to one Pod, while a headless Service returns the list of available IP addresses from all the available pods, allowing to auto-discover.
A better detailed explanation by Marco Luksa has been published on SO here:
Each connection to the service is forwarded to one randomly selected backing pod. But what if the client needs to connect to all of those pods? What if the backing pods themselves need to each connect to all the other backing pods. Connecting through the service clearly isn’t the way to do this. What is?
For a client to connect to all pods, it needs to figure out the the IP of each individual pod. One option is to have the client call the Kubernetes API server and get the list of pods and their IP addresses through an API call, but because you should always strive to keep your apps Kubernetes-agnostic, using the API server isn’t ideal
Luckily, Kubernetes allows clients to discover pod IPs through DNS lookups. Usually, when you perform a DNS lookup for a service, the DNS server returns a single IP — the service’s cluster IP. But if you tell Kubernetes you don’t need a cluster IP for your service (you do this by setting the clusterIP field to None in the service specification ), the DNS server will return the pod IPs instead of the single service IP. Instead of returning a single DNS A record, the DNS server will return multiple A records for the service, each pointing to the IP of an individual pod backing the service at that moment. Clients can therefore do a simple DNS A record lookup and get the IPs of all the pods that are part of the service. The client can then use that information to connect to one, many, or all of them.
Setting the clusterIP field in a service spec to None makes the service headless, as Kubernetes won’t assign it a cluster IP through which clients could connect to the pods backing it.
"Kubernetes in Action" by Marco Luksa
How to specify the sentinelsAs the Redis documentation say:
When using the Sentinel support you need to specify a list of sentinels to connect to. The list does not need to enumerate all your Sentinel instances, but a few so that if one is down the client will try the next one. The client is able to remember the last Sentinel that was able to reply correctly and will use it for the next requests.
So the idea is to give what you have, and if you scale up the redis pods, then you don't need to re-configure Sidekiq (or Rails if you're using Redis for caching).
Combining all togetherNow you just need a way to fetch the IP addresses from the headless service in Ruby, and configure Redis client sentinels.
Fortunately, since Ruby 2.5.0, the Resolv class is available and can do that for you.
QUESTION
I'm creating a Dataproc cluster, and it is timing out when i'm adding the connectors.sh in the initialization actions.
here is the command & error
...ANSWER
Answered 2022-Feb-01 at 20:01It seems you are using an old version of the init action script. Based on the documentation from the Dataproc GitHub repo, you can set the version of the Hadoop GCS connector without the script in the following manner:
QUESTION
Say I have a custom container class that stores data in a map:
...ANSWER
Answered 2022-Jan-31 at 08:18Are view iterators valid beyond the lifetime of the view?
The property here is called a borrowed range. If a range is a borrowed range, then its iterators are still valid even if a range is destroyed. R&, if R is a range, is the most trivial kind of borrowed range - since it's not the lifetime of the reference that the iterators would be tied into. There are several other familiar borrowed ranges - like span and string_view.
Some range adaptors are conditionally borrowed (P2017). That is, they don't add any additional state on top of the range they are adapting -- so the adapted range can be borrowed if the underlying range is (or underlying ranges are). For instance, views::reverse(r) is borrowed whenever r is borrowed. But views::split(r, pat) isn't conditionally borrowed - because the pattern is stored in the adaptor itself rather than in the iterators (hypothetically, it could also be stored in the iterators, at a cost).
views::values(r) is an example of such: it is a borrowed range whenever r is borrowed. And, in your example, the underlying range is a ref_view, which is itself always borrowed (by the same principle that R& is always borrowed).
Note that here:
QUESTION
I have the following test file in my code:
...ANSWER
Answered 2022-Jan-21 at 14:43For anyone facing the same issue as me, I found the solution by changing my dictionary declaration as below:
QUESTION
I have tried different for loops trying to iterate through this JSON and I cant figure out how to do it. I have a list of numbers and want to compare it to the "key" values under each object of "data" (For example, Aatrox, Ahri, Akali, and so on) and if the numbers match store the "name" value in another list.
Example: listOfNumbers = [266, 166, 123, 283]
266 and 166 would match the "key" in the Aatrox and Akshan objects respectively so I would want to pull that name and store it in a list.
I understant this JSON is mostly accessed by key values rather than being indexed so Im not sure how I would iterate through all the "data" objects in a for loop(s).
JSON im referencing:
...ANSWER
Answered 2022-Jan-20 at 08:38You simply iterate over the values of the dictionary, check whether the value of the 'key' item is in your list and if that's the case, append the value of the 'name' item to your output list.
Let jsonObj be your JSON object presented in your question. Then this code should work:
QUESTION
So i have to multiply 'a' by a number of 'b' times and I tried to do it like this. I also took some procedures from other questions I found.
...ANSWER
Answered 2022-Jan-16 at 01:51I keep getting the same error as 'Operand types do not match on lines 18 and 19
That's because TASM knows that the a and b variables are byte-sized given that they were defined using the DB directive, but your instructions mov bx,a and mov cx,b are word-sized operations. So, a mis-match.
Your program is using the a and b 'variables' for user input via the DOS.BufferedInput function 0Ah. Read all about this function here.
What your definitions should look like is:
QUESTION
I am trying to implement the merge sort algorithm using sentinels in C#.
The array I am trying to sort:
...ANSWER
Answered 2022-Jan-10 at 11:01You have at least next several errors in the left/right array initialization:
- for
leftyou should start fromlowerIndex:
QUESTION
I have two tables in Sentinel with data in them. I have field A in Table A that is a number. And I have two fields B and C in Table B which are also numbers but they represent a range. Like Table A field A contains the number '9', Table B field B contains the number '3' and Table B field C contains number '18'.
I would like to go through all of the entries in Table A and find the matching logs for these entries in Table B. An entry is matching if the value from field A is in the range of field B and C (between B and C). So, in the example above the number 9 is between 3 and 18, so these two entries from the two tables would match.
Because they are not exact matches I can't use join to find matching entries.
Is there a way to do this with KQL (Kusto) somehow? I tried multiple solutions but none of them worked out so far. I tried to use user-defined functions but I got an 'Tabular expression is not expected in the current context' error.
...ANSWER
Answered 2022-Jan-09 at 05:35A naive way would be to use Cartisian product and apply a filter, here is an example:
QUESTION
I am trying to create a Python extension module with multi-phase initialization, following the advice I got from a previous question. PEP 489 suggests that it is preferable for the Py_mod_create function to return a module subclass, which presumably means a subclass of PyModule, but I cannot figure out how to do this. In all my attempts, the module segfaults when it is imported. It works fine if Py_mod_create returns some other object, (one which is not a subclass of PyModule), but I am not sure if this will cause problems in future, since isinstance(mymodule, types.ModuleType) returns false in this case.
Following the docs on subclassing built-in types, I set tp_base to PyModule_Type, and my tp_init function calls PyModule_Type.tp_init. The docs also suggest that my structure should contain the superclass structure at the beginning, which in this case is PyModuleObject. This structure is not in the public Python header files, (it is defined in moduleobject.c in the Python sources), so for now I copied and paste the definitions of the PyModuleObject fields at the start of my structure. The complete code looks like this:
ANSWER
Answered 2022-Jan-06 at 17:50After some tests I could build a custom module type by copying parts of code from moduleobject.c
Your problem is that your code does create an instance of a subclass of module, but never initializes it and gets random values in key members. Additionaly, modules are expected to be gc collectables, so you have to create your custom module with PyObject_GC_New.
The following code replaces your initial testmod_create function with a full initialization of the module:
QUESTION
I wanted to make a private channel when a user runs a simple command. The code is below:
...ANSWER
Answered 2022-Jan-03 at 09:54This error is being generated by passing an key with a value of None in overwrites.
It's probably admin_role.
You can check:
- You actually have a role named
Adminon the guild; - You have activated guild intents so that you can have the list of roles.
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