Extra entry in ARP table?

I am new to networking so please have mercy on my noob soul…

I hope this question is acceptable for this forum. It just got kicked out of the networkengineering.stackexchange.com forum, so I’m trying to repost it here. Here goes…

I am running a Windows 10 Pro x64 box, and when I run “arp -a” or when I look at my network connections using XArp, I see what I think is an extra entry in my ARP table. I only have one computer hooked up to the current Wi-Fi network that I am using to connect to the internet but in both tools, I see an extra ARP entry with an ip address on my local network that I do not think should be there. Since the XArp entry gives the most info, I will duplicate it here. I see the below entry when I don’t think it should be there:

IP            MAC                Host          Vendor        Interface        Online   Cache  00-18-4d-ff-ff-07  Netgear Inc.  0x-10 Microsoft  unknown  yes

First Seen           Last Seen            How often seen
9/17/2021 14:59:35   9/17/2021 14:59:35   1

In addition, the readout from running the “arp -a” command on my Windows box indicates that the above arp table entry is dynamic.

This entry has only been seen once because I actually deleted the entry with an “arp -d” command. It then returned upon a restart of my XArp screen.

I have been worried that someone is messing around with my network and somehow logging onto it and doing who knows what else without my permission.

(I do not recognize the above 00-18-4d-ff-ff-07 MAC address as any MAC address I can find anywhere on my machine. Again, my machine should be the only machine connected to the Wi-Fi network I am using to connect to the internet. And again, this extra ip address seems to be local to this Wi-Fi network that I think should only have my local machine connected to it.

The ip address for my local machine is, and its MAC address matches the one that shows in the Properties page for the Wi-Fi network I am connected to on this machine.)

Is this “extra entry” in my ARP table evidence that someone other than myself is logged onto my network?

Or is this entry just something that my Netgear router is doing?

(FWIW, the MAC address for my Netgear router at the ip address is totally different from the MAC address for the ip address shown above, and the MAC address for my router at the ip address matches up well with the MAC address on the sticker/label on my router.)

Thanks in advance for any help with this question.

8 – Wkhtmltopdf fixed header/footer options print extra blank pages. How to debug and fix?

So for this I am using entity print 2.2.0 with WKHTML 0.12.6 wit these patches:

            "drupal/entity_print": {
            "Add Export to Word Support": "https://www.drupal.org/files/issues/2019-11-22/2733781-47.patch",
            "Adding page numbers in footer in pdf": "https://www.drupal.org/files/issues/2020-05-29/entity_print-custom_footer-2823430-7.patch"

The second one allows for a creation of a hook to add extra options and I have this:

function mymodule_print_pdf_wkhtmltopdf_options_alter(&$options) { 
  $header = $print_dir.'/header.html';
  $footer = $print_dir.'/footer.html';
  $options('header-html') = $header;
  $options('footer-html') = $footer;
  $options('enable-local-file-access') = ($header, $footer);

This applies a header and footer to every page but adds to extra empty pages and the first one has two headers. The module debug route skips these options so how do I go about debugging this?

And I did try this with dompdf. It is easier, but unfortunately it doesn’t support rtl.

dnd 5e – What is the source of the fear in the Hallow spell’s extra Fear effect?

The source of the fear is the whole area in which the spell was cast.

I know Cubic already pointed out that RAW is unclear, but I’m going to attempt to explain why this is the most logical interpretation.

First of all, this is working from the assumption that a source is “whatever causes a given effect to manifest”. Since the trigger for all of the effects is being in the area this must also be the source of the effect. The point at which the spell was cast was simply to determine the centre of the circle the spell affects, but the area itself is what causes the creature within it to become frightened.

So to address point 2, since that is what I’m asserting the source to be:

You’re right that being inside the area means that every direction leads towards the source, but keep in mind that creatures rarely move arbitrarily; they are generally moving towards a destination (be that an enemy to attack, a vantage point to scout, or down an escape route as they flee). Rather than saying this creature can’t move because it’s surrounded by the source of its fear I think it’s more accurate to say this creature will head towards the closest destination point outside the spell’s area. This means that when it moves, it’s still moving away from the source of its fear, even if it doesn’t have enough movement to leave the area yet.

Functionally, this results in pretty much identical behaviour to Cubic’s recommendation, since the closest exit from the part of the area the creature is in will always end up being the direction leading away from the centre (this also covers an edge case with using the origin as the source meaning the creature would stop moving if the other directions are blocked somehow; considering destinations rather than individual moves means they could move towards the origin if it’s the only way to go to get out of the area due to walls, people blocking the way etc)

Microsoft Word is adding extra space between words as I type

Word is adding space between words as I type. Here is the layout of my document:
enter image description here

It simply consists of two pages with the first page being vertically aligned at the center. In order to allow for a normal top alignment for the following pages, a section break was added. Look at this GIF for a visual of what is going on:

enter image description here

Notice how the spacing between the words change as I type. I tried removing the section break, but it did not work. How can I fix this issue?

dnd 5e – Can the Soulknife’s psychic blades be used with extra attack as a thrown weapon?

Iets do some math to see if this would be a problem

Calculation assumptions
1 every attack hits

2 all damage calculated is with the median roll rounded down as per the rules

3 if i change the calculations i will tell you before laying it out

So a 20th level soulknife 9 psi warror 11 can take 3 attacks per attack action with maxed out dex that means that the damage for the round if more than one psychic blade for all the attacks is 24 damage and 2 extra with the bounus action attack

Now lets check with Psionic Strike.
Feature description
You can propel your weapons with psionic force. Once on each of your turns, immediately after you hit a target within 30 feet of you with an attack and deal damage to it with a weapon, you can expend one Psionic Energy die, rolling it and dealing force damage to the target equal to the number rolled plus your Intelligence modifier.

Heres the math 1d6 median 3.5 rounded down to 3 +5 STR/DEX per attack plus 1d10 median 5 + 5 INT per attack leads to 54 damage per attack action plus the bounus action attack 1d4 median 2 1d10 median 5 +5 INT

This course of action will burn through your psionic power dice which have the same name and may not stack but take the best bounus of dice rather than give you 2 sets of Psionic power dice set one soulknife 12d8s psi warrior 12d10

You would only be able to do so for 3 rounds before you are complete out of psionic power die unless you are allowed to use both sets ither restrictively or free flow either way you would be using limited resource that come back on a short rest so you can more or less treat it like a pallock’s use of eldritch and divine smite just with less effect

Now to asume max damage on a regular strikes the math would be 1d6+5×3 or 18+15 = 32 damage; with the bounus action attack 1d4 32+4=36 psychic damage in a turn

Now max damage with psionic strike
1d6+5+1d10+5 or 6+5+10+5=26×3 for 3 attacks = 78 damage with the bounus action 1d4+1d10+5 or 4+10+5=19 for a total of 97 damage in one turn

Now for max crit damage
2d6+5+2d10+5 or 12+5+20+5= 42×3= 126 with the bounus 2d4+2d10+5 or 8+20+5=33 for a total of 159 damage in one turn

Either way just thought someone should do the math just to see what it would be

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dnd 3.5e – Ability increase for extra HD not calculated correctly under the Lycanthrope entry in the Monster Manual?

In the SRD it states:


Ability Score Improvement

Treat monster Hit Dice the same as character level for determining ability score increases. This only applies to Hit Dice increases, monsters do not gain ability score increases for levels they “already reached” with their racial Hit Dice, since these adjustments are included in their basic ability scores.

Meaning that for every 4 hit dice a monster has it gains an ability score improvement of +1 on any one ability score. In the SRD in the monster entry for Lycanthrope under abilities section of the Creating a lycanthrope subsection is stated this:


All lycanthropes gain +2 to Wisdom. In addition, when in animal form, a lycanthrope’s physical ability scores improve according to its kind, as set out in the table below. These adjustments are equal to the animal’s normal ability scores -10 or -11. A lycanthrope in hybrid form modifies its physical ability scores by the same amount.
In addition, a lycanthrope may also gain an additional ability score increase by virtue of its extra Hit Dice.

A werebear in human form has the following stats:


Str 13, Dex 11, Con 12, Int 10, Wis 11, Cha 8

And is based upon:

The werebear presented here is a 1st-level human warrior and natural lycanthrope, using the following base ability scores: Str 13, Dex 11, Con 12, Int 10, Wis 9, Cha 8.

Otherwise known as the ‘non elite array’ or ‘low powered campaign / 15 point buy’

The +2 increase to wisdom is the Wisdom bonus that a lycanthrope receives. Where is the +1 ability score increase to a stat from having 4 or more HD? As the statement ‘…monsters do not gain ability score increases for levels they “already reached” with their racial Hit Dice, since these adjustments are included in their basic ability scores.‘ seems to be incorrect because the adjustment has not been included.

Is this a mistake or something I am missing? Incidentally I have checked Cooper’s Compendium Of Corrected Creatures and no mention of this seeming discrepancy may be found in that source which makes me question whether it’s something I’ve forgotten?

Derangement with extra box

I was going through PnC questions and I came across this problem.

Four balls numbered $1,2,3,4$ are to be placed into five boxes numbered $1,2,3,4,5$ such that exactly one box remains empty and no ball goes to its own numbered box. The no. of ways is?

I worked out the problem in the following way.

Case 1: box 5 is not selected and thus total derangements $d_4=9$

Case 2: Any one of 4 boxes say box 1 is not selected $ C(4,1)$

case 2(a) ball 1 goes to box 5 then total derangements $d_3=2$

Case 2(b) ball 1 goes to either of other two boxes say box 2

Case 2(b)(i) ball 2 goes to 5 then $d_2=1$

Case 2(b)(ii) ball 2 doesn’t go to box 5 then also $d_2=1$

Thus, total number of ways $=9+C(4,1){2+2*2}=33$

But none of the answer matches. Please help me identify error in the reasoning.